2538355613 has 2 divisors, whose sum is σ = 2538355614. Its totient is φ = 2538355612.

The previous prime is 2538355579. The next prime is 2538355619. The reversal of 2538355613 is 3165538352.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2450052004 + 88303609 = 49498^2 + 9397^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2538355613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2538355619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1269177806 + 1269177807.

It is an arithmetic number, because the mean of its divisors is an integer number (1269177807).

Almost surely, 2^2538355613 is an apocalyptic number.

It is an amenable number.

2538355613 is a deficient number, since it is larger than the sum of its proper divisors (1).

2538355613 is an equidigital number, since it uses as much as digits as its factorization.

2538355613 is an evil number, because the sum of its binary digits is even.

The product of its digits is 324000, while the sum is 41.

The square root of 2538355613 is about 50382.0961552812. The cubic root of 2538355613 is about 1364.1144883519.

The spelling of 2538355613 in words is "two billion, five hundred thirty-eight million, three hundred fifty-five thousand, six hundred thirteen".