690337350488 has 16 divisors (see below), whose sum is σ = 1300886970000. Its totient is φ = 343434158496.

The previous prime is 690337350413. The next prime is 690337350503. The reversal of 690337350488 is 884053733096.

It is a happy number.

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, 216812903 + ... + 216816086.

It is an arithmetic number, because the mean of its divisors is an integer number (81305435625).

Almost surely, 2^690337350488 is an apocalyptic number.

It is an amenable number.

690337350488 is a deficient number, since it is larger than the sum of its proper divisors (610549619512).

690337350488 is a wasteful number, since it uses less digits than its factorization.

690337350488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433629194 (or 433629190 counting only the distinct ones).

The product of its (nonzero) digits is 13063680, while the sum is 56.

The spelling of 690337350488 in words is "six hundred ninety billion, three hundred thirty-seven million, three hundred fifty thousand, four hundred eighty-eight".