4642502261 has 4 divisors (see below), whose sum is σ = 4721188800. Its totient is φ = 4563815724.

The previous prime is 4642502251. The next prime is 4642502281. The reversal of 4642502261 is 1622052464.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4642502261 is a prime.

It is a super-2 number, since 2×4642502261² = 43105654486780224242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4642502231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39343181 + ... + 39343298.

It is an arithmetic number, because the mean of its divisors is an integer number (1180297200).

Almost surely, 2^4642502261 is an apocalyptic number.

It is an amenable number.

4642502261 is a deficient number, since it is larger than the sum of its proper divisors (78686539).

4642502261 is an equidigital number, since it uses as much as digits as its factorization.

4642502261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78686538.

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 4642502261 is about 68135.9102162729. The cubic root of 4642502261 is about 1668.2099529505.

The spelling of 4642502261 in words is "four billion, six hundred forty-two million, five hundred two thousand, two hundred sixty-one".