2101643680698 has 48 divisors (see below), whose sum is σ = 4578839961696. Its totient is φ = 696662235360.

The previous prime is 2101643680621. The next prime is 2101643680769. The reversal of 2101643680698 is 8960863461012.

2101643680698 is a `hidden beast` number, since 210 + 1 + 6 + 4 + 368 + 0 + 69 + 8 = 666.

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, 7417465 + ... + 7695587.

It is an arithmetic number, because the mean of its divisors is an integer number (95392499202).

Almost surely, 2^{2101643680698} is an apocalyptic number.

2101643680698 is an abundant number, since it is smaller than the sum of its proper divisors (2477196280998).

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

2101643680698 is a wasteful number, since it uses less digits than its factorization.

2101643680698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280459 (or 280456 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 54.

The spelling of 2101643680698 in words is "two trillion, one hundred one billion, six hundred forty-three million, six hundred eighty thousand, six hundred ninety-eight".