4134875809 has 3 divisors (see below), whose sum is σ = 4134940113. Its totient is φ = 4134811506.

The previous prime is 4134875791. The next prime is 4134875861. The reversal of 4134875809 is 9085784314.

The square root of 4134875809 is 64303.

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, and also an emirpimes, since its reverse is a distinct semiprime: 9085784314 = 2 ⋅4542892157.

It is not a de Polignac number, because 4134875809 - 2¹¹ = 4134873761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4134875509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 32152 + ... + 96454.

It is an arithmetic number, because the mean of its divisors is an integer number (1378313371).

Almost surely, 2^4134875809 is an apocalyptic number.

4134875809 is the 64303-rd square number.

4134875809 is the 32152-nd centered octagonal number.

It is an amenable number.

4134875809 is a deficient number, since it is larger than the sum of its proper divisors (64304).

4134875809 is an frugal number, since it uses more digits than its factorization.

4134875809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128606 (or 64303 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 49.

The cubic root of 4134875809 is about 1605.0460235959.

Multiplying 4134875809 by its sum of digits (49), we get a square (202608914641 = 450121²).

The spelling of 4134875809 in words is "four billion, one hundred thirty-four million, eight hundred seventy-five thousand, eight hundred nine".