65450712959 has 4 divisors (see below), whose sum is σ = 65457207816. Its totient is φ = 65444218104.

The previous prime is 65450712949. The next prime is 65450712991. The reversal of 65450712959 is 95921705456.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65450712959 is a prime.

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 65450712959.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65450712949) 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, 3232289 + ... + 3252474.

It is an arithmetic number, because the mean of its divisors is an integer number (16364301954).

Almost surely, 2^65450712959 is an apocalyptic number.

65450712959 is a deficient number, since it is larger than the sum of its proper divisors (6494857).

65450712959 is a wasteful number, since it uses less digits than its factorization.

65450712959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6494856.

The product of its (nonzero) digits is 3402000, while the sum is 53.

The spelling of 65450712959 in words is "sixty-five billion, four hundred fifty million, seven hundred twelve thousand, nine hundred fifty-nine".