52689474269 has 4 divisors (see below), whose sum is σ = 53324287296. Its totient is φ = 52054661244.

The previous prime is 52689474247. The next prime is 52689474319. The reversal of 52689474269 is 96247498625.

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-52689474269 is a prime.

It is a super-2 number, since 2×52689474269² (a number of 22 digits) 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 (52689474239) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 317406389 + ... + 317406554.

It is an arithmetic number, because the mean of its divisors is an integer number (13331071824).

Almost surely, 2^52689474269 is an apocalyptic number.

It is an amenable number.

52689474269 is a deficient number, since it is larger than the sum of its proper divisors (634813027).

52689474269 is an equidigital number, since it uses as much as digits as its factorization.

52689474269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634813026.

The product of its digits is 52254720, while the sum is 62.

The spelling of 52689474269 in words is "fifty-two billion, six hundred eighty-nine million, four hundred seventy-four thousand, two hundred sixty-nine".