2999792273921 has 4 divisors (see below), whose sum is σ = 2999820846000. Its totient is φ = 2999763701844.

The previous prime is 2999792273911. The next prime is 2999792273941. The reversal of 2999792273921 is 1293722979992.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2999792273921 is a prime.

It is a super-2 number, since 2×2999792273921² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2999792273911) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14127971 + ... + 14338728.

It is an arithmetic number, because the mean of its divisors is an integer number (749955211500).

Almost surely, 2^{2999792273921} is an apocalyptic number.

It is an amenable number.

2999792273921 is a deficient number, since it is larger than the sum of its proper divisors (28572079).

2999792273921 is a wasteful number, since it uses less digits than its factorization.

2999792273921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28572078.

The product of its digits is 138883248, while the sum is 71.

The spelling of 2999792273921 in words is "two trillion, nine hundred ninety-nine billion, seven hundred ninety-two million, two hundred seventy-three thousand, nine hundred twenty-one".