2099992781280 has 96 divisors (see below), whose sum is σ = 6713708367744. Its totient is φ = 551639886336.

The previous prime is 2099992781279. The next prime is 2099992781303. The reversal of 2099992781280 is 821872999902.

It is a tau number, because it is divible by the number of its divisors (96).

It is a hoax number, since the sum of its digits (66) 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, 32616982 + ... + 32681301.

It is an arithmetic number, because the mean of its divisors is an integer number (69934462164).

Almost surely, 2^{2099992781280} is an apocalyptic number.

2099992781280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2099992781280 is an abundant number, since it is smaller than the sum of its proper divisors (4613715586464).

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

2099992781280 is a wasteful number, since it uses less digits than its factorization.

2099992781280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65298368 (or 65298360 counting only the distinct ones).

The product of its (nonzero) digits is 23514624, while the sum is 66.

The spelling of 2099992781280 in words is "two trillion, ninety-nine billion, nine hundred ninety-two million, seven hundred eighty-one thousand, two hundred eighty".