65381059513 has 12 divisors (see below), whose sum is σ = 82969656912. Its totient is φ = 50946279720.

The previous prime is 65381059489. The next prime is 65381059553. The reversal of 65381059513 is 31595018356.

It is not a de Polignac number, because 65381059513 - 2¹⁷ = 65380928441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65381059553) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 60649795 + ... + 60650872.

It is an arithmetic number, because the mean of its divisors is an integer number (6914138076).

Almost surely, 2^65381059513 is an apocalyptic number.

It is an amenable number.

65381059513 is a deficient number, since it is larger than the sum of its proper divisors (17588597399).

65381059513 is a wasteful number, since it uses less digits than its factorization.

65381059513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121300692 (or 121300685 counting only the distinct ones).

The product of its (nonzero) digits is 486000, while the sum is 46.

The spelling of 65381059513 in words is "sixty-five billion, three hundred eighty-one million, fifty-nine thousand, five hundred thirteen".