2573444994 has 32 divisors (see below), whose sum is σ = 5294260224. Its totient is φ = 833463120.

The previous prime is 2573444977. The next prime is 2573445001. The reversal of 2573444994 is 4994443752.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23167 + ... + 75389.

It is an arithmetic number, because the mean of its divisors is an integer number (165445632).

Almost surely, 2^2573444994 is an apocalyptic number.

2573444994 is an abundant number, since it is smaller than the sum of its proper divisors (2720815230).

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

2573444994 is a wasteful number, since it uses less digits than its factorization.

2573444994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52462.

The product of its digits is 4354560, while the sum is 51.

The square root of 2573444994 is about 50729.1335821932. The cubic root of 2573444994 is about 1370.3714328456.

The spelling of 2573444994 in words is "two billion, five hundred seventy-three million, four hundred forty-four thousand, nine hundred ninety-four".