2539938401 has 32 divisors (see below), whose sum is σ = 3453542400. Its totient is φ = 1803746880.

The previous prime is 2539938353. The next prime is 2539938439. The reversal of 2539938401 is 1048399352.

It is a de Polignac number, because none of the positive numbers 2^k-2539938401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2539938901) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 63020 + ... + 95138.

It is an arithmetic number, because the mean of its divisors is an integer number (107923200).

Almost surely, 2^2539938401 is an apocalyptic number.

It is an amenable number.

2539938401 is a deficient number, since it is larger than the sum of its proper divisors (913603999).

2539938401 is a wasteful number, since it uses less digits than its factorization.

2539938401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32229.

The product of its (nonzero) digits is 233280, while the sum is 44.

The square root of 2539938401 is about 50397.8015492740. The cubic root of 2539938401 is about 1364.3979599845.

The spelling of 2539938401 in words is "two billion, five hundred thirty-nine million, nine hundred thirty-eight thousand, four hundred one".