2539169044 has 24 divisors (see below), whose sum is σ = 4690868000. Its totient is φ = 1199305440.

The previous prime is 2539169041. The next prime is 2539169053. The reversal of 2539169044 is 4409619352.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2539169041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21342 + ... + 74389.

Almost surely, 2^2539169044 is an apocalyptic number.

It is an amenable number.

2539169044 is a deficient number, since it is larger than the sum of its proper divisors (2151698956).

2539169044 is a wasteful number, since it uses less digits than its factorization.

2539169044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96103 (or 96101 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 43.

The square root of 2539169044 is about 50390.1681283165. The cubic root of 2539169044 is about 1364.2601856294.

The spelling of 2539169044 in words is "two billion, five hundred thirty-nine million, one hundred sixty-nine thousand, forty-four".