696507474391 has 4 divisors (see below), whose sum is σ = 696510083392. Its totient is φ = 696504865392.

The previous prime is 696507474379. The next prime is 696507474407. The reversal of 696507474391 is 193474705696.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 696507474391 - 2⁷ = 696507474263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (696507474491) 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, 851655 + ... + 1455448.

It is an arithmetic number, because the mean of its divisors is an integer number (174127520848).

Almost surely, 2^696507474391 is an apocalyptic number.

696507474391 is a deficient number, since it is larger than the sum of its proper divisors (2609001).

696507474391 is a wasteful number, since it uses less digits than its factorization.

696507474391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2609000.

The product of its (nonzero) digits is 34292160, while the sum is 61.

The spelling of 696507474391 in words is "six hundred ninety-six billion, five hundred seven million, four hundred seventy-four thousand, three hundred ninety-one".