2538989726 has 32 divisors (see below), whose sum is σ = 4787112960. Its totient is φ = 983061216.

The previous prime is 2538989699. The next prime is 2538989743. The reversal of 2538989726 is 6279898352.

It is a Smith number, since the sum of its digits (59) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent 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, 139856 + ... + 156963.

It is an arithmetic number, because the mean of its divisors is an integer number (149597280).

Almost surely, 2^2538989726 is an apocalyptic number.

2538989726 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2538989726 is a deficient number, since it is larger than the sum of its proper divisors (2248123234).

2538989726 is a wasteful number, since it uses less digits than its factorization.

2538989726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296888.

The product of its digits is 13063680, while the sum is 59.

The square root of 2538989726 is about 50388.3888013896. The cubic root of 2538989726 is about 1364.2280698515.

The spelling of 2538989726 in words is "two billion, five hundred thirty-eight million, nine hundred eighty-nine thousand, seven hundred twenty-six".