65549962025 has 24 divisors (see below), whose sum is σ = 82123464000. Its totient is φ = 51897528000.

The previous prime is 65549961979. The next prime is 65549962031. The reversal of 65549962025 is 52026994556.

It is not a de Polignac number, because 65549962025 - 2¹⁸ = 65549699881 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7618676 + ... + 7627274.

It is an arithmetic number, because the mean of its divisors is an integer number (3421811000).

Almost surely, 2^65549962025 is an apocalyptic number.

It is an amenable number.

65549962025 is a deficient number, since it is larger than the sum of its proper divisors (16573501975).

65549962025 is a wasteful number, since it uses less digits than its factorization.

65549962025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11729 (or 11724 counting only the distinct ones).

The product of its (nonzero) digits is 5832000, while the sum is 53.

The spelling of 65549962025 in words is "sixty-five billion, five hundred forty-nine million, nine hundred sixty-two thousand, twenty-five".