2099791890936 has 96 divisors (see below), whose sum is σ = 5699997641520. Its totient is φ = 698323852800.

The previous prime is 2099791890893. The next prime is 2099791890947. The reversal of 2099791890936 is 6390981979902.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent 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, 271252026 + ... + 271259766.

Almost surely, 2^{2099791890936} is an apocalyptic number.

It is an amenable number.

2099791890936 is an abundant number, since it is smaller than the sum of its proper divisors (3600205750584).

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

2099791890936 is a wasteful number, since it uses less digits than its factorization.

2099791890936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15917 (or 15910 counting only the distinct ones).

The product of its (nonzero) digits is 119042784, while the sum is 72.

The spelling of 2099791890936 in words is "two trillion, ninety-nine billion, seven hundred ninety-one million, eight hundred ninety thousand, nine hundred thirty-six".