697155531036 has 24 divisors (see below), whose sum is σ = 1626722250384. Its totient is φ = 232381461120.

The previous prime is 697155531001. The next prime is 697155531043. The reversal of 697155531036 is 630135551796.

It is a self number, because there is not a number n which added to its sum of digits gives 697155531036.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 378426 + ... + 1239966.

It is an arithmetic number, because the mean of its divisors is an integer number (67780093766).

Almost surely, 2^697155531036 is an apocalyptic number.

It is an amenable number.

697155531036 is an abundant number, since it is smaller than the sum of its proper divisors (929566719348).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

697155531036 is a wasteful number, since it uses less digits than its factorization.

697155531036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 928981 (or 928979 counting only the distinct ones).

The product of its (nonzero) digits is 2551500, while the sum is 51.

The spelling of 697155531036 in words is "six hundred ninety-seven billion, one hundred fifty-five million, five hundred thirty-one thousand, thirty-six".