2238013468565 has 16 divisors (see below), whose sum is σ = 3069481374720. Its totient is φ = 1534534926720.

The previous prime is 2238013468511. The next prime is 2238013468667. The reversal of 2238013468565 is 5658643108322.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-2238013468565 is a prime.

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, 1611941 + ... + 2659770.

It is an arithmetic number, because the mean of its divisors is an integer number (191842585920).

Almost surely, 2^{2238013468565} is an apocalyptic number.

It is an amenable number.

2238013468565 is a deficient number, since it is larger than the sum of its proper divisors (831467906155).

2238013468565 is a wasteful number, since it uses less digits than its factorization.

2238013468565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4286692.

The product of its (nonzero) digits is 8294400, while the sum is 53.

The spelling of 2238013468565 in words is "two trillion, two hundred thirty-eight billion, thirteen million, four hundred sixty-eight thousand, five hundred sixty-five".