2979145791 has 16 divisors (see below), whose sum is σ = 4420396800. Its totient is φ = 1983015864.

The previous prime is 2979145777. The next prime is 2979145837. The reversal of 2979145791 is 1975419792.

It is not a de Polignac number, because 2979145791 - 2⁵ = 2979145759 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2979145891) 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, 67801 + ... + 102738.

It is an arithmetic number, because the mean of its divisors is an integer number (276274800).

Almost surely, 2^2979145791 is an apocalyptic number.

2979145791 is a deficient number, since it is larger than the sum of its proper divisors (1441251009).

2979145791 is a wasteful number, since it uses less digits than its factorization.

2979145791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171195 (or 171189 counting only the distinct ones).

The product of its digits is 1428840, while the sum is 54.

The square root of 2979145791 is about 54581.5517459883. The cubic root of 2979145791 is about 1438.8999106678.

The spelling of 2979145791 in words is "two billion, nine hundred seventy-nine million, one hundred forty-five thousand, seven hundred ninety-one".