65813080038 has 16 divisors (see below), whose sum is σ = 131884763760. Its totient is φ = 21894592736.

The previous prime is 65813080027. The next prime is 65813080051. The reversal of 65813080038 is 83008031856.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10771845 + ... + 10777952.

It is an arithmetic number, because the mean of its divisors is an integer number (8242797735).

Almost surely, 2^65813080038 is an apocalyptic number.

65813080038 is an abundant number, since it is smaller than the sum of its proper divisors (66071683722).

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

65813080038 is a wasteful number, since it uses less digits than its factorization.

65813080038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21550311.

The product of its (nonzero) digits is 138240, while the sum is 42.

The spelling of 65813080038 in words is "sixty-five billion, eight hundred thirteen million, eighty thousand, thirty-eight".