2538408939 has 16 divisors (see below), whose sum is σ = 3792023040. Its totient is φ = 1496849760.

The previous prime is 2538408937. The next prime is 2538408989. The reversal of 2538408939 is 9398048352.

It is not a de Polignac number, because 2538408939 - 2¹ = 2538408937 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2538408891 and 2538408900.

It is not an unprimeable number, because it can be changed into a prime (2538408937) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1038259 + ... + 1040700.

It is an arithmetic number, because the mean of its divisors is an integer number (237001440).

Almost surely, 2^2538408939 is an apocalyptic number.

2538408939 is a deficient number, since it is larger than the sum of its proper divisors (1253614101).

2538408939 is a wasteful number, since it uses less digits than its factorization.

2538408939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2079010.

The product of its (nonzero) digits is 1866240, while the sum is 51.

The square root of 2538408939 is about 50382.6253682755. The cubic root of 2538408939 is about 1364.1240407644.

The spelling of 2538408939 in words is "two billion, five hundred thirty-eight million, four hundred eight thousand, nine hundred thirty-nine".