697936542964 has 6 divisors (see below), whose sum is σ = 1221388950194. Its totient is φ = 348968271480.

The previous prime is 697936542917. The next prime is 697936542967. The reversal of 697936542964 is 469245639796.

It can be written as a sum of positive squares in only one way, i.e., 589854720400 + 108081822564 = 768020^2 + 328758^2 .

It is a junction number, because it is equal to n+sod(n) for n = 697936542893 and 697936542902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (697936542967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 87242067867 + ... + 87242067874.

Almost surely, 2^697936542964 is an apocalyptic number.

It is an amenable number.

697936542964 is a deficient number, since it is larger than the sum of its proper divisors (523452407230).

697936542964 is a wasteful number, since it uses less digits than its factorization.

697936542964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174484135745 (or 174484135743 counting only the distinct ones).

The product of its digits is 529079040, while the sum is 70.

The spelling of 697936542964 in words is "six hundred ninety-seven billion, nine hundred thirty-six million, five hundred forty-two thousand, nine hundred sixty-four".