2579961790 has 32 divisors (see below), whose sum is σ = 5382111744. Its totient is φ = 872098080.

The previous prime is 2579961781. The next prime is 2579961793. The reversal of 2579961790 is 971699752.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2579961793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 254584 + ... + 264523.

It is an arithmetic number, because the mean of its divisors is an integer number (168190992).

Almost surely, 2^2579961790 is an apocalyptic number.

2579961790 is an abundant number, since it is smaller than the sum of its proper divisors (2802149954).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2579961790 is a wasteful number, since it uses less digits than its factorization.

2579961790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 519192.

The product of its (nonzero) digits is 2143260, while the sum is 55.

The square root of 2579961790 is about 50793.3242660884. The cubic root of 2579961790 is about 1371.5271991993.

The spelling of 2579961790 in words is "two billion, five hundred seventy-nine million, nine hundred sixty-one thousand, seven hundred ninety".