693345212656 has 20 divisors (see below), whose sum is σ = 1343372500800. Its totient is φ = 346668438272.

The previous prime is 693345212639. The next prime is 693345212671. The reversal of 693345212656 is 656212543396.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1453665 + ... + 1870783.

It is an arithmetic number, because the mean of its divisors is an integer number (67168625040).

Almost surely, 2^693345212656 is an apocalyptic number.

It is an amenable number.

693345212656 is a deficient number, since it is larger than the sum of its proper divisors (650027288144).

693345212656 is a wasteful number, since it uses less digits than its factorization.

693345212656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521016 (or 521010 counting only the distinct ones).

The product of its digits is 6998400, while the sum is 52.

The spelling of 693345212656 in words is "six hundred ninety-three billion, three hundred forty-five million, two hundred twelve thousand, six hundred fifty-six".