689496615952 has 40 divisors (see below), whose sum is σ = 1357798032864. Its totient is φ = 339132781824.

The previous prime is 689496615923. The next prime is 689496615967. The reversal of 689496615952 is 259516694986.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 804738 + ... + 1423585.

Almost surely, 2^689496615952 is an apocalyptic number.

It is an amenable number.

689496615952 is a deficient number, since it is larger than the sum of its proper divisors (668301416912).

689496615952 is a wasteful number, since it uses less digits than its factorization.

689496615952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2228647 (or 2228641 counting only the distinct ones).

The product of its digits is 251942400, while the sum is 70.

The spelling of 689496615952 in words is "six hundred eighty-nine billion, four hundred ninety-six million, six hundred fifteen thousand, nine hundred fifty-two".