699609724338 has 16 divisors (see below), whose sum is σ = 1599107941440. Its totient is φ = 199888492656.

The previous prime is 699609724321. The next prime is 699609724343. The reversal of 699609724338 is 833427906996.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8328687153 + ... + 8328687236.

It is an arithmetic number, because the mean of its divisors is an integer number (99944246340).

Almost surely, 2^699609724338 is an apocalyptic number.

699609724338 is an abundant number, since it is smaller than the sum of its proper divisors (899498217102).

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

699609724338 is a wasteful number, since it uses less digits than its factorization.

699609724338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16657374401.

The product of its (nonzero) digits is 105815808, while the sum is 66.

The spelling of 699609724338 in words is "six hundred ninety-nine billion, six hundred nine million, seven hundred twenty-four thousand, three hundred thirty-eight".