608990621904 has 60 divisors (see below), whose sum is σ = 1947803341536. Its totient is φ = 173997320256.

The previous prime is 608990621891. The next prime is 608990621999. The reversal of 608990621904 is 409126099806.

608990621904 is a `hidden beast` number, since 6 + 0 + 8 + 9 + 9 + 0 + 621 + 9 + 0 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 302077674 + ... + 302079689.

Almost surely, 2^608990621904 is an apocalyptic number.

It is an amenable number.

608990621904 is an abundant number, since it is smaller than the sum of its proper divisors (1338812719632).

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

608990621904 is a wasteful number, since it uses less digits than its factorization.

608990621904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 604157384 (or 604157375 counting only the distinct ones).

The product of its (nonzero) digits is 1679616, while the sum is 54.

The spelling of 608990621904 in words is "six hundred eight billion, nine hundred ninety million, six hundred twenty-one thousand, nine hundred four".