4629577681 has 3 divisors (see below), whose sum is σ = 4629645723. Its totient is φ = 4629509640.

The previous prime is 4629577663. The next prime is 4629577699. The reversal of 4629577681 is 1867759264.

The square root of 4629577681 is 68041.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is an interprime number because it is at equal distance from previous prime (4629577663) and next prime (4629577699).

It can be written as a sum of positive squares in only one way, i.e., 4510331281 + 119246400 = 67159^2 + 10920^2 .

It is not a de Polignac number, because 4629577681 - 2²⁵ = 4596023249 is a prime.

It is a super-2 number, since 2×4629577681² = 42865979008826675522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4629577181) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 34021 + ... + 102061.

It is an arithmetic number, because the mean of its divisors is an integer number (1543215241).

Almost surely, 2^4629577681 is an apocalyptic number.

4629577681 is the 68041-st square number.

4629577681 is the 34021-st centered octagonal number.

It is an amenable number.

4629577681 is a deficient number, since it is larger than the sum of its proper divisors (68042).

4629577681 is an frugal number, since it uses more digits than its factorization.

4629577681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136082 (or 68041 counting only the distinct ones).

The product of its digits is 5080320, while the sum is 55.

The cubic root of 4629577681 is about 1666.6604328078.

The spelling of 4629577681 in words is "four billion, six hundred twenty-nine million, five hundred seventy-seven thousand, six hundred eighty-one".