2108992075631 has 16 divisors (see below), whose sum is σ = 2432310657600. Its totient is φ = 1791191259648.

The previous prime is 2108992075601. The next prime is 2108992075639. The reversal of 2108992075631 is 1365702998012.

It is not a de Polignac number, because 2108992075631 - 2³⁸ = 1834114168687 is a prime.

It is a super-2 number, since 2×2108992075631² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2108992075639) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2359685 + ... + 3128273.

It is an arithmetic number, because the mean of its divisors is an integer number (152019416100).

Almost surely, 2^{2108992075631} is an apocalyptic number.

2108992075631 is a deficient number, since it is larger than the sum of its proper divisors (323318581969).

2108992075631 is a wasteful number, since it uses less digits than its factorization.

2108992075631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 772178.

The product of its (nonzero) digits is 1632960, while the sum is 53.

The spelling of 2108992075631 in words is "two trillion, one hundred eight billion, nine hundred ninety-two million, seventy-five thousand, six hundred thirty-one".