65424355422525 has 72 divisors (see below), whose sum is σ = 130247211028896. Its totient is φ = 31122391996800.

The previous prime is 65424355422389. The next prime is 65424355422533. The reversal of 65424355422525 is 52522455342456.

65424355422525 is a `hidden beast` number, since 6 + 5 + 4 + 2 + 43 + 5 + 54 + 22 + 525 = 666.

It is not a de Polignac number, because 65424355422525 - 2²⁵ = 65424321868093 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 249246967 + ... + 249509316.

It is an arithmetic number, because the mean of its divisors is an integer number (1808989042068).

Almost surely, 2^{65424355422525} is an apocalyptic number.

It is an amenable number.

65424355422525 is a deficient number, since it is larger than the sum of its proper divisors (64822855606371).

65424355422525 is a wasteful number, since it uses less digits than its factorization.

65424355422525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498756363 (or 498756355 counting only the distinct ones).

The product of its digits is 57600000, while the sum is 54.

The spelling of 65424355422525 in words is "sixty-five trillion, four hundred twenty-four billion, three hundred fifty-five million, four hundred twenty-two thousand, five hundred twenty-five".