2138758914599 has 4 divisors (see below), whose sum is σ = 2141775500520. Its totient is φ = 2135742328680.

The previous prime is 2138758914569. The next prime is 2138758914661. The reversal of 2138758914599 is 9954198578312.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2138758914599 - 2²⁴ = 2138742137383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2138758914569) 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, 1508291897 + ... + 1508293314.

It is an arithmetic number, because the mean of its divisors is an integer number (535443875130).

Almost surely, 2^{2138758914599} is an apocalyptic number.

2138758914599 is a deficient number, since it is larger than the sum of its proper divisors (3016585921).

2138758914599 is an equidigital number, since it uses as much as digits as its factorization.

2138758914599 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3016585920.

The product of its digits is 195955200, while the sum is 71.

The spelling of 2138758914599 in words is "two trillion, one hundred thirty-eight billion, seven hundred fifty-eight million, nine hundred fourteen thousand, five hundred ninety-nine".