2939793664 has 36 divisors (see below), whose sum is σ = 5877726400. Its totient is φ = 1467486720.

The previous prime is 2939793653. The next prime is 2939793673. The reversal of 2939793664 is 4663979392.

It is a junction number, because it is equal to n+sod(n) for n = 2939793599 and 2939793608.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152437 + ... + 170635.

Almost surely, 2^2939793664 is an apocalyptic number.

It is an amenable number.

2939793664 is a deficient number, since it is larger than the sum of its proper divisors (2937932736).

2939793664 is an equidigital number, since it uses as much as digits as its factorization.

2939793664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18846 (or 18832 counting only the distinct ones).

The product of its digits is 13226976, while the sum is 58.

The square root of 2939793664 is about 54219.8641090145. The cubic root of 2939793664 is about 1432.5362368611.

The spelling of 2939793664 in words is "two billion, nine hundred thirty-nine million, seven hundred ninety-three thousand, six hundred sixty-four".