65272509307 has 16 divisors (see below), whose sum is σ = 72502257600. Its totient is φ = 58479124480.

The previous prime is 65272509293. The next prime is 65272509311. The reversal of 65272509307 is 70390527256.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65272509307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65272509397) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 897382 + ... + 967387.

It is an arithmetic number, because the mean of its divisors is an integer number (4531391100).

Almost surely, 2^65272509307 is an apocalyptic number.

65272509307 is a deficient number, since it is larger than the sum of its proper divisors (7229748293).

65272509307 is a wasteful number, since it uses less digits than its factorization.

65272509307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1864886.

The product of its (nonzero) digits is 793800, while the sum is 46.

The spelling of 65272509307 in words is "sixty-five billion, two hundred seventy-two million, five hundred nine thousand, three hundred seven".