72425508651 has 6 divisors (see below), whose sum is σ = 104614623620. Its totient is φ = 48283672428.

The previous prime is 72425508637. The next prime is 72425508653. The reversal of 72425508651 is 15680552427.

72425508651 is a `hidden beast` number, since 7 + 2 + 42 + 550 + 8 + 6 + 51 = 666.

It is not a de Polignac number, because 72425508651 - 2⁵ = 72425508619 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 72425508597 and 72425508606.

It is not an unprimeable number, because it can be changed into a prime (72425508653) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4023639361 + ... + 4023639378.

Almost surely, 2^72425508651 is an apocalyptic number.

72425508651 is a deficient number, since it is larger than the sum of its proper divisors (32189114969).

72425508651 is a wasteful number, since it uses less digits than its factorization.

72425508651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8047278745 (or 8047278742 counting only the distinct ones).

The product of its (nonzero) digits is 672000, while the sum is 45.

The spelling of 72425508651 in words is "seventy-two billion, four hundred twenty-five million, five hundred eight thousand, six hundred fifty-one".