2579315641 has 4 divisors (see below), whose sum is σ = 2947789312. Its totient is φ = 2210841972.

The previous prime is 2579315639. The next prime is 2579315653. The reversal of 2579315641 is 1465139752.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2579315641 - 2¹ = 2579315639 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2579318641) 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, 184236825 + ... + 184236838.

It is an arithmetic number, because the mean of its divisors is an integer number (736947328).

Almost surely, 2^2579315641 is an apocalyptic number.

It is an amenable number.

2579315641 is a deficient number, since it is larger than the sum of its proper divisors (368473671).

2579315641 is an equidigital number, since it uses as much as digits as its factorization.

2579315641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368473670.

The product of its digits is 226800, while the sum is 43.

The square root of 2579315641 is about 50786.9632976810. The cubic root of 2579315641 is about 1371.4126904075.

The spelling of 2579315641 in words is "two billion, five hundred seventy-nine million, three hundred fifteen thousand, six hundred forty-one".