2992656321 has 16 divisors (see below), whose sum is σ = 4468480000. Its totient is φ = 1979392464.

The previous prime is 2992656299. The next prime is 2992656323. The reversal of 2992656321 is 1236562992.

2992656321 is a `hidden beast` number, since 2 + 9 + 9 + 2 + 6 + 5 + 632 + 1 = 666.

It is not a de Polignac number, because 2992656321 - 2¹⁰ = 2992655297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2992656323) 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, 432946 + ... + 439803.

It is an arithmetic number, because the mean of its divisors is an integer number (279280000).

Almost surely, 2^2992656321 is an apocalyptic number.

It is an amenable number.

2992656321 is a deficient number, since it is larger than the sum of its proper divisors (1475823679).

2992656321 is a wasteful number, since it uses less digits than its factorization.

2992656321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 872885 (or 872879 counting only the distinct ones).

The product of its digits is 349920, while the sum is 45.

The square root of 2992656321 is about 54705.1763638506. The cubic root of 2992656321 is about 1441.0717845437.

The spelling of 2992656321 in words is "two billion, nine hundred ninety-two million, six hundred fifty-six thousand, three hundred twenty-one".