65349886236 has 12 divisors (see below), whose sum is σ = 152483067912. Its totient is φ = 21783295408.

The previous prime is 65349886207. The next prime is 65349886249. The reversal of 65349886236 is 63268894356.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 65349886236.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2722911915 + ... + 2722911938.

It is an arithmetic number, because the mean of its divisors is an integer number (12706922326).

Almost surely, 2^65349886236 is an apocalyptic number.

It is an amenable number.

65349886236 is an abundant number, since it is smaller than the sum of its proper divisors (87133181676).

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

65349886236 is a wasteful number, since it uses less digits than its factorization.

65349886236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5445823860 (or 5445823858 counting only the distinct ones).

The product of its digits is 44789760, while the sum is 60.

The spelling of 65349886236 in words is "sixty-five billion, three hundred forty-nine million, eight hundred eighty-six thousand, two hundred thirty-six".