695641668400 has 60 divisors (see below), whose sum is σ = 1910033274352. Its totient is φ = 238505713920.

The previous prime is 695641668361. The next prime is 695641668437. The reversal of 695641668400 is 4866146596.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 124218927 + ... + 124224526.

Almost surely, 2^695641668400 is an apocalyptic number.

It is an amenable number.

695641668400 is an abundant number, since it is smaller than the sum of its proper divisors (1214391605952).

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

695641668400 is a wasteful number, since it uses less digits than its factorization.

695641668400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248443478 (or 248443467 counting only the distinct ones).

The product of its (nonzero) digits is 7464960, while the sum is 55.

The spelling of 695641668400 in words is "six hundred ninety-five billion, six hundred forty-one million, six hundred sixty-eight thousand, four hundred".