65273303256 has 32 divisors (see below), whose sum is σ = 186495152640. Its totient is φ = 18649515168.

The previous prime is 65273303243. The next prime is 65273303279. The reversal of 65273303256 is 65230337256.

65273303256 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 194265616 + ... + 194265951.

It is an arithmetic number, because the mean of its divisors is an integer number (5827973520).

Almost surely, 2^65273303256 is an apocalyptic number.

It is an amenable number.

65273303256 is an abundant number, since it is smaller than the sum of its proper divisors (121221849384).

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

65273303256 is a wasteful number, since it uses less digits than its factorization.

65273303256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388531583 (or 388531579 counting only the distinct ones).

The product of its (nonzero) digits is 680400, while the sum is 42.

The spelling of 65273303256 in words is "sixty-five billion, two hundred seventy-three million, three hundred three thousand, two hundred fifty-six".