690007974405 has 64 divisors (see below), whose sum is σ = 1162357475328. Its totient is φ = 349043834880.

The previous prime is 690007974389. The next prime is 690007974413. The reversal of 690007974405 is 504479700096.

It is not a de Polignac number, because 690007974405 - 2⁴ = 690007974389 is a prime.

It is a super-2 number, since 2×690007974405² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 24063837 + ... + 24092493.

It is an arithmetic number, because the mean of its divisors is an integer number (18161835552).

Almost surely, 2^690007974405 is an apocalyptic number.

It is an amenable number.

690007974405 is a deficient number, since it is larger than the sum of its proper divisors (472349500923).

690007974405 is a wasteful number, since it uses less digits than its factorization.

690007974405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29726.

The product of its (nonzero) digits is 1905120, while the sum is 51.

The spelling of 690007974405 in words is "six hundred ninety billion, seven million, nine hundred seventy-four thousand, four hundred five".