65813920902 has 20 divisors (see below), whose sum is σ = 147471934236. Its totient is φ = 21937973580.

The previous prime is 65813920897. The next prime is 65813920919. The reversal of 65813920902 is 20902931856.

65813920902 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 203129224 + ... + 203129547.

Almost surely, 2^65813920902 is an apocalyptic number.

65813920902 is an abundant number, since it is smaller than the sum of its proper divisors (81658013334).

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

65813920902 is a wasteful number, since it uses less digits than its factorization.

65813920902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406258785 (or 406258776 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The spelling of 65813920902 in words is "sixty-five billion, eight hundred thirteen million, nine hundred twenty thousand, nine hundred two".