2113645614139 has 2 divisors, whose sum is σ = 2113645614140. Its totient is φ = 2113645614138.

The previous prime is 2113645614137. The next prime is 2113645614149. The reversal of 2113645614139 is 9314165463112.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2113645614139 - 2¹ = 2113645614137 is a prime.

It is a super-2 number, since 2×2113645614139² (a number of 25 digits) contains 22 as substring.

Together with 2113645614137, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2113645614137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056822807069 + 1056822807070.

It is an arithmetic number, because the mean of its divisors is an integer number (1056822807070).

Almost surely, 2^{2113645614139} is an apocalyptic number.

2113645614139 is a deficient number, since it is larger than the sum of its proper divisors (1).

2113645614139 is an equidigital number, since it uses as much as digits as its factorization.

2113645614139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 466560, while the sum is 46.

The spelling of 2113645614139 in words is "two trillion, one hundred thirteen billion, six hundred forty-five million, six hundred fourteen thousand, one hundred thirty-nine".