2538183813 has 16 divisors (see below), whose sum is σ = 3703565376. Its totient is φ = 1533434240.

The previous prime is 2538183763. The next prime is 2538183821. The reversal of 2538183813 is 3183818352.

It is a cyclic number.

It is not a de Polignac number, because 2538183813 - 2⁹ = 2538183301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2538183853) 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, 110856 + ... + 131777.

It is an arithmetic number, because the mean of its divisors is an integer number (231472836).

Almost surely, 2^2538183813 is an apocalyptic number.

It is an amenable number.

2538183813 is a deficient number, since it is larger than the sum of its proper divisors (1165381563).

2538183813 is a wasteful number, since it uses less digits than its factorization.

2538183813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242964.

The product of its digits is 138240, while the sum is 42.

The square root of 2538183813 is about 50380.3911556868. The cubic root of 2538183813 is about 1364.0837125017.

The spelling of 2538183813 in words is "two billion, five hundred thirty-eight million, one hundred eighty-three thousand, eight hundred thirteen".