65824949424 has 80 divisors (see below), whose sum is σ = 183165554432. Its totient is φ = 20249720064.

The previous prime is 65824949417. The next prime is 65824949507. The reversal of 65824949424 is 42494942856.

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, 4789827 + ... + 4803549.

Almost surely, 2^65824949424 is an apocalyptic number.

It is an amenable number.

65824949424 is an abundant number, since it is smaller than the sum of its proper divisors (117340605008).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65824949424 is a wasteful number, since it uses less digits than its factorization.

65824949424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21434 (or 21428 counting only the distinct ones).

The product of its digits is 19906560, while the sum is 57.

The spelling of 65824949424 in words is "sixty-five billion, eight hundred twenty-four million, nine hundred forty-nine thousand, four hundred twenty-four".