65139484544759 has 4 divisors (see below), whose sum is σ = 66368531423016. Its totient is φ = 63910437666504.

The previous prime is 65139484544663. The next prime is 65139484544777. The reversal of 65139484544759 is 95744548493156.

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 65139484544759 - 2²⁰ = 65139483496183 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 (65130484544759) 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, 614523439049 + ... + 614523439154.

It is an arithmetic number, because the mean of its divisors is an integer number (16592132855754).

Almost surely, 2^{65139484544759} is an apocalyptic number.

65139484544759 is a deficient number, since it is larger than the sum of its proper divisors (1229046878257).

65139484544759 is a wasteful number, since it uses less digits than its factorization.

65139484544759 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1229046878256.

The product of its digits is 2612736000, while the sum is 74.

The spelling of 65139484544759 in words is "sixty-five trillion, one hundred thirty-nine billion, four hundred eighty-four million, five hundred forty-four thousand, seven hundred fifty-nine".