3696087721698 has 48 divisors (see below), whose sum is σ = 8026435487616. Its totient is φ = 1229222887200.

The previous prime is 3696087721679. The next prime is 3696087721723. The reversal of 3696087721698 is 8961277806963.

3696087721698 is a `hidden beast` number, since 3 + 6 + 9 + 608 + 7 + 7 + 2 + 1 + 6 + 9 + 8 = 666.

It is a super-2 number, since 2×3696087721698² (a number of 26 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 88294473 + ... + 88336323.

It is an arithmetic number, because the mean of its divisors is an integer number (167217405992).

Almost surely, 2^{3696087721698} is an apocalyptic number.

3696087721698 is an abundant number, since it is smaller than the sum of its proper divisors (4330347765918).

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

3696087721698 is a wasteful number, since it uses less digits than its factorization.

3696087721698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52919 (or 52916 counting only the distinct ones).

The product of its (nonzero) digits is 329204736, while the sum is 72.

The spelling of 3696087721698 in words is "three trillion, six hundred ninety-six billion, eighty-seven million, seven hundred twenty-one thousand, six hundred ninety-eight".