65192892139 has 4 divisors (see below), whose sum is σ = 65193528856. Its totient is φ = 65192255424.

The previous prime is 65192892101. The next prime is 65192892173. The reversal of 65192892139 is 93129829156.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 65192892139 - 2²⁵ = 65159337707 is a prime.

It is a super-2 number, since 2×65192892139² (a number of 22 digits) contains 22 as substring.

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 65192892139.

It is not an unprimeable number, because it can be changed into a prime (65112892139) 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, 126054 + ... + 382459.

It is an arithmetic number, because the mean of its divisors is an integer number (16298382214).

Almost surely, 2^65192892139 is an apocalyptic number.

65192892139 is a deficient number, since it is larger than the sum of its proper divisors (636717).

65192892139 is a wasteful number, since it uses less digits than its factorization.

65192892139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 636716.

The product of its digits is 2099520, while the sum is 55.

The spelling of 65192892139 in words is "sixty-five billion, one hundred ninety-two million, eight hundred ninety-two thousand, one hundred thirty-nine".