690968880574 has 24 divisors (see below), whose sum is σ = 1209124891800. Its totient is φ = 295280996976.

The previous prime is 690968880571. The next prime is 690968880601. The reversal of 690968880574 is 475088869096.

690968880574 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (690968880571) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10067092 + ... + 10135495.

It is an arithmetic number, because the mean of its divisors is an integer number (50380203825).

Almost surely, 2^690968880574 is an apocalyptic number.

690968880574 is a deficient number, since it is larger than the sum of its proper divisors (518156011226).

690968880574 is a wasteful number, since it uses less digits than its factorization.

690968880574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20202952 (or 20202945 counting only the distinct ones).

The product of its (nonzero) digits is 209018880, while the sum is 70.

The spelling of 690968880574 in words is "six hundred ninety billion, nine hundred sixty-eight million, eight hundred eighty thousand, five hundred seventy-four".