2538616913 has 4 divisors (see below), whose sum is σ = 2901276480. Its totient is φ = 2175957348.

The previous prime is 2538616907. The next prime is 2538616943. The reversal of 2538616913 is 3196168352.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2538616913 - 2⁶ = 2538616849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2538616943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 181329773 + ... + 181329786.

It is an arithmetic number, because the mean of its divisors is an integer number (725319120).

Almost surely, 2^2538616913 is an apocalyptic number.

It is an amenable number.

2538616913 is a deficient number, since it is larger than the sum of its proper divisors (362659567).

2538616913 is an equidigital number, since it uses as much as digits as its factorization.

2538616913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362659566.

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

The square root of 2538616913 is about 50384.6892716428. The cubic root of 2538616913 is about 1364.1612943607.

The spelling of 2538616913 in words is "two billion, five hundred thirty-eight million, six hundred sixteen thousand, nine hundred thirteen".