65251430456 has 16 divisors (see below), whose sum is σ = 122349387600. Its totient is φ = 32624927104.

The previous prime is 65251430437. The next prime is 65251430501. The reversal of 65251430456 is 65403415256.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 404336 + ... + 542208.

It is an arithmetic number, because the mean of its divisors is an integer number (7646836725).

Almost surely, 2^65251430456 is an apocalyptic number.

It is an amenable number.

65251430456 is a deficient number, since it is larger than the sum of its proper divisors (57097957144).

65251430456 is a wasteful number, since it uses less digits than its factorization.

65251430456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197038 (or 197034 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 41.

The spelling of 65251430456 in words is "sixty-five billion, two hundred fifty-one million, four hundred thirty thousand, four hundred fifty-six".