65568738730 has 64 divisors (see below), whose sum is σ = 132471521280. Its totient is φ = 23159692800.

The previous prime is 65568738707. The next prime is 65568738749. The reversal of 65568738730 is 3783786556.

65568738730 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1001047 + ... + 1064533.

It is an arithmetic number, because the mean of its divisors is an integer number (2069867520).

Almost surely, 2^65568738730 is an apocalyptic number.

65568738730 is an abundant number, since it is smaller than the sum of its proper divisors (66902782550).

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

65568738730 is a wasteful number, since it uses less digits than its factorization.

65568738730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63775.

The product of its (nonzero) digits is 25401600, while the sum is 58.

The spelling of 65568738730 in words is "sixty-five billion, five hundred sixty-eight million, seven hundred thirty-eight thousand, seven hundred thirty".