65493065712 has 80 divisors (see below), whose sum is σ = 171206184960. Its totient is φ = 21572448000.

The previous prime is 65493065711. The next prime is 65493065741. The reversal of 65493065712 is 21756039456.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65493065711) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1360714 + ... + 1408022.

It is an arithmetic number, because the mean of its divisors is an integer number (2140077312).

Almost surely, 2^65493065712 is an apocalyptic number.

It is an amenable number.

65493065712 is an abundant number, since it is smaller than the sum of its proper divisors (105713119248).

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

65493065712 is a wasteful number, since it uses less digits than its factorization.

65493065712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47662 (or 47656 counting only the distinct ones).

The product of its (nonzero) digits is 1360800, while the sum is 48.

The spelling of 65493065712 in words is "sixty-five billion, four hundred ninety-three million, sixty-five thousand, seven hundred twelve".