65841257472 has 44 divisors (see below), whose sum is σ = 175490963976. Its totient is φ = 21947084800.

The previous prime is 65841257437. The next prime is 65841257473. The reversal of 65841257472 is 27475214856.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65841257473) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10713279 + ... + 10719422.

Almost surely, 2^65841257472 is an apocalyptic number.

It is an amenable number.

65841257472 is an abundant number, since it is smaller than the sum of its proper divisors (109649706504).

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

65841257472 is a wasteful number, since it uses less digits than its factorization.

65841257472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21432724 (or 21432706 counting only the distinct ones).

The product of its digits is 3763200, while the sum is 51.

The spelling of 65841257472 in words is "sixty-five billion, eight hundred forty-one million, two hundred fifty-seven thousand, four hundred seventy-two".