65272973715 has 16 divisors (see below), whose sum is σ = 116040842400. Its totient is φ = 34812252576.

The previous prime is 65272973687. The next prime is 65272973729. The reversal of 65272973715 is 51737927256.

It is not a de Polignac number, because 65272973715 - 2⁷ = 65272973587 is a prime.

It is a super-2 number, since 2×65272973715² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 241751620 + ... + 241751889.

It is an arithmetic number, because the mean of its divisors is an integer number (7252552650).

Almost surely, 2^65272973715 is an apocalyptic number.

65272973715 is a deficient number, since it is larger than the sum of its proper divisors (50767868685).

65272973715 is a wasteful number, since it uses less digits than its factorization.

65272973715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483503523 (or 483503517 counting only the distinct ones).

The product of its digits is 5556600, while the sum is 54.

The spelling of 65272973715 in words is "sixty-five billion, two hundred seventy-two million, nine hundred seventy-three thousand, seven hundred fifteen".