2791981179 has 48 divisors (see below), whose sum is σ = 4747002624. Its totient is φ = 1564876800.

The previous prime is 2791981133. The next prime is 2791981183. The reversal of 2791981179 is 9711891972.

It is not a de Polignac number, because 2791981179 - 2⁷ = 2791981051 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2791981189) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 39019 + ... + 84299.

It is an arithmetic number, because the mean of its divisors is an integer number (98895888).

Almost surely, 2^2791981179 is an apocalyptic number.

2791981179 is a deficient number, since it is larger than the sum of its proper divisors (1955021445).

2791981179 is a wasteful number, since it uses less digits than its factorization.

2791981179 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45348 (or 45345 counting only the distinct ones).

The product of its digits is 571536, while the sum is 54.

The square root of 2791981179 is about 52839.2011578525. The cubic root of 2791981179 is about 1408.1129592771.

The spelling of 2791981179 in words is "two billion, seven hundred ninety-one million, nine hundred eighty-one thousand, one hundred seventy-nine".