690483517938 has 24 divisors (see below), whose sum is σ = 1507827529728. Its totient is φ = 228348879192.

The previous prime is 690483517921. The next prime is 690483517957. The reversal of 690483517938 is 839715384096.

690483517938 is a `hidden beast` number, since 6 + 9 + 0 + 4 + 83 + 517 + 9 + 38 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 151022106 + ... + 151026677.

It is an arithmetic number, because the mean of its divisors is an integer number (62826147072).

Almost surely, 2^690483517938 is an apocalyptic number.

690483517938 is an abundant number, since it is smaller than the sum of its proper divisors (817344011790).

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

690483517938 is a wasteful number, since it uses less digits than its factorization.

690483517938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302048918 (or 302048915 counting only the distinct ones).

The product of its (nonzero) digits is 39191040, while the sum is 63.

The spelling of 690483517938 in words is "six hundred ninety billion, four hundred eighty-three million, five hundred seventeen thousand, nine hundred thirty-eight".