2109655309632 has 112 divisors (see below), whose sum is σ = 6157779375552. Its totient is φ = 633292369920.

The previous prime is 2109655309613. The next prime is 2109655309649. The reversal of 2109655309632 is 2369035569012.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10205158 + ... + 10409829.

It is an arithmetic number, because the mean of its divisors is an integer number (54980172996).

Almost surely, 2^{2109655309632} is an apocalyptic number.

It is an amenable number.

2109655309632 is an abundant number, since it is smaller than the sum of its proper divisors (4048124065920).

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

2109655309632 is a wasteful number, since it uses less digits than its factorization.

2109655309632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20615056 (or 20615046 counting only the distinct ones).

The product of its (nonzero) digits is 2624400, while the sum is 51.

The spelling of 2109655309632 in words is "two trillion, one hundred nine billion, six hundred fifty-five million, three hundred nine thousand, six hundred thirty-two".