690169010252 has 24 divisors (see below), whose sum is σ = 1250220770400. Its totient is φ = 332977873536.

The previous prime is 690169010203. The next prime is 690169010261. The reversal of 690169010252 is 252010961096.

It is a super-2 number, since 2×690169010252² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1662248 + ... + 2035535.

It is an arithmetic number, because the mean of its divisors is an integer number (52092532100).

Almost surely, 2^690169010252 is an apocalyptic number.

It is an amenable number.

690169010252 is a deficient number, since it is larger than the sum of its proper divisors (560051760148).

690169010252 is a wasteful number, since it uses less digits than its factorization.

690169010252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3699425 (or 3699423 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 41.

The spelling of 690169010252 in words is "six hundred ninety billion, one hundred sixty-nine million, ten thousand, two hundred fifty-two".