699987313536 has 64 divisors (see below), whose sum is σ = 2124961495680. Its totient is φ = 199996374528.

The previous prime is 699987313477. The next prime is 699987313547. The reversal of 699987313536 is 635313789996.

699987313536 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×699987313536² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130203286 + ... + 130208661.

It is an arithmetic number, because the mean of its divisors is an integer number (33202523370).

Almost surely, 2^699987313536 is an apocalyptic number.

It is an amenable number.

699987313536 is an abundant number, since it is smaller than the sum of its proper divisors (1424974182144).

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

699987313536 is a wasteful number, since it uses less digits than its factorization.

699987313536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260411971 (or 260411959 counting only the distinct ones).

The product of its digits is 198404640, while the sum is 69.

The spelling of 699987313536 in words is "six hundred ninety-nine billion, nine hundred eighty-seven million, three hundred thirteen thousand, five hundred thirty-six".