699649049904 has 40 divisors (see below), whose sum is σ = 2065630529280. Its totient is φ = 199899728448.

The previous prime is 699649049887. The next prime is 699649049917. The reversal of 699649049904 is 409940946996.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1041144084 + ... + 1041144755.

It is an arithmetic number, because the mean of its divisors is an integer number (51640763232).

Almost surely, 2^699649049904 is an apocalyptic number.

It is an amenable number.

699649049904 is an abundant number, since it is smaller than the sum of its proper divisors (1365981479376).

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

699649049904 is a wasteful number, since it uses less digits than its factorization.

699649049904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2082288857 (or 2082288851 counting only the distinct ones).

The product of its (nonzero) digits is 136048896, while the sum is 69.

The spelling of 699649049904 in words is "six hundred ninety-nine billion, six hundred forty-nine million, forty-nine thousand, nine hundred four".