2816837021113 has 4 divisors (see below), whose sum is σ = 2939308195968. Its totient is φ = 2694365846260.

The previous prime is 2816837021111. The next prime is 2816837021123. The reversal of 2816837021113 is 3111207386182.

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 2816837021113 - 2¹ = 2816837021111 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2816837021113.

It is not an unprimeable number, because it can be changed into a prime (2816837021111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61235587393 + ... + 61235587438.

It is an arithmetic number, because the mean of its divisors is an integer number (734827048992).

Almost surely, 2^{2816837021113} is an apocalyptic number.

2816837021113 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

2816837021113 is a deficient number, since it is larger than the sum of its proper divisors (122471174855).

2816837021113 is a wasteful number, since it uses less digits than its factorization.

2816837021113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122471174854.

The product of its (nonzero) digits is 96768, while the sum is 43.

The spelling of 2816837021113 in words is "two trillion, eight hundred sixteen billion, eight hundred thirty-seven million, twenty-one thousand, one hundred thirteen".