697496703881 has 6 divisors (see below), whose sum is σ = 729141167370. Its totient is φ = 667170759728.

The previous prime is 697496703857. The next prime is 697496703901. The reversal of 697496703881 is 188307694796.

It can be written as a sum of positive squares in only one way, i.e., 568841774656 + 128654929225 = 754216^2 + 358685^2 .

It is not a de Polignac number, because 697496703881 - 2²⁶ = 697429595017 is a prime.

It is a super-2 number, since 2×697496703881² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (697496703821) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 659259116 + ... + 659260173.

It is an arithmetic number, because the mean of its divisors is an integer number (121523527895).

Almost surely, 2^697496703881 is an apocalyptic number.

It is an amenable number.

697496703881 is a deficient number, since it is larger than the sum of its proper divisors (31644463489).

697496703881 is a wasteful number, since it uses less digits than its factorization.

697496703881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1318519335 (or 1318519312 counting only the distinct ones).

The product of its (nonzero) digits is 109734912, while the sum is 68.

The spelling of 697496703881 in words is "six hundred ninety-seven billion, four hundred ninety-six million, seven hundred three thousand, eight hundred eighty-one".