2538715938 has 32 divisors (see below), whose sum is σ = 5576212800. Its totient is φ = 764141760.

The previous prime is 2538715871. The next prime is 2538715981. The reversal of 2538715938 is 8395178352.

It is a happy number.

2538715938 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2538715938² = 12890157227710439688, which contains 22 as substring.

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, 119245 + ... + 138912.

It is an arithmetic number, because the mean of its divisors is an integer number (174256650).

Almost surely, 2^2538715938 is an apocalyptic number.

2538715938 is an abundant number, since it is smaller than the sum of its proper divisors (3037496862).

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

2538715938 is a wasteful number, since it uses less digits than its factorization.

2538715938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258322.

The product of its digits is 1814400, while the sum is 51.

The square root of 2538715938 is about 50385.6719514586. The cubic root of 2538715938 is about 1364.1790316196.

The spelling of 2538715938 in words is "two billion, five hundred thirty-eight million, seven hundred fifteen thousand, nine hundred thirty-eight".