63268013865 has 32 divisors (see below), whose sum is σ = 117154529280. Its totient is φ = 28556409024.

The previous prime is 63268013857. The next prime is 63268013869. The reversal of 63268013865 is 56831086236.

63268013865 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 63268013865 - 2³ = 63268013857 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (63268013869) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3805329 + ... + 3821918.

It is an arithmetic number, because the mean of its divisors is an integer number (3661079040).

Almost surely, 2^63268013865 is an apocalyptic number.

It is an amenable number.

63268013865 is a deficient number, since it is larger than the sum of its proper divisors (53886515415).

63268013865 is a wasteful number, since it uses less digits than its factorization.

63268013865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7627341.

The product of its (nonzero) digits is 1244160, while the sum is 48.

The spelling of 63268013865 in words is "sixty-three billion, two hundred sixty-eight million, thirteen thousand, eight hundred sixty-five".