2539165379 has 4 divisors (see below), whose sum is σ = 2547436584. Its totient is φ = 2530894176.

The previous prime is 2539165337. The next prime is 2539165381. The reversal of 2539165379 is 9735619352.

It is a happy number.

2539165379 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2539165379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2539164379) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4135142 + ... + 4135755.

It is an arithmetic number, because the mean of its divisors is an integer number (636859146).

Almost surely, 2^2539165379 is an apocalyptic number.

2539165379 is a deficient number, since it is larger than the sum of its proper divisors (8271205).

2539165379 is an equidigital number, since it uses as much as digits as its factorization.

2539165379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8271204.

The product of its digits is 1530900, while the sum is 50.

The square root of 2539165379 is about 50390.1317620821. The cubic root of 2539165379 is about 1364.2595292445.

The spelling of 2539165379 in words is "two billion, five hundred thirty-nine million, one hundred sixty-five thousand, three hundred seventy-nine".