2749979924 has 18 divisors (see below), whose sum is σ = 4861976574. Its totient is φ = 1360854400.

The previous prime is 2749979893. The next prime is 2749979941. The reversal of 2749979924 is 4299799472.

2749979924 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 1051056400 + 1698923524 = 32420^2 + 41218^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1052732 + ... + 1055340.

Almost surely, 2^2749979924 is an apocalyptic number.

It is an amenable number.

2749979924 is a deficient number, since it is larger than the sum of its proper divisors (2111996650).

2749979924 is an equidigital number, since it uses as much as digits as its factorization.

2749979924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5323 (or 2712 counting only the distinct ones).

The product of its digits is 20575296, while the sum is 62.

The square root of 2749979924 is about 52440.2509910088. The cubic root of 2749979924 is about 1401.0162560017.

The spelling of 2749979924 in words is "two billion, seven hundred forty-nine million, nine hundred seventy-nine thousand, nine hundred twenty-four".