2135799998839 has 4 divisors (see below), whose sum is σ = 2300092306456. Its totient is φ = 1971507691224.

The previous prime is 2135799998821. The next prime is 2135799998903. The reversal of 2135799998839 is 9388999975312.

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 2135799998839 - 2³⁵ = 2101440260471 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 (2135799992839) 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, 82146153789 + ... + 82146153814.

It is an arithmetic number, because the mean of its divisors is an integer number (575023076614).

Almost surely, 2^{2135799998839} is an apocalyptic number.

2135799998839 is a deficient number, since it is larger than the sum of its proper divisors (164292307617).

2135799998839 is a wasteful number, since it uses less digits than its factorization.

2135799998839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164292307616.

The product of its digits is 2380855680, while the sum is 82.

The spelling of 2135799998839 in words is "two trillion, one hundred thirty-five billion, seven hundred ninety-nine million, nine hundred ninety-eight thousand, eight hundred thirty-nine".