63251260634 has 16 divisors (see below), whose sum is σ = 97260609600. Its totient is φ = 30832163040.

The previous prime is 63251260621. The next prime is 63251260643. The reversal of 63251260634 is 43606215236.

It is a happy number.

63251260634 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 160964 + ... + 390399.

It is an arithmetic number, because the mean of its divisors is an integer number (6078788100).

Almost surely, 2^63251260634 is an apocalyptic number.

63251260634 is a deficient number, since it is larger than the sum of its proper divisors (34009348966).

63251260634 is a wasteful number, since it uses less digits than its factorization.

63251260634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552805.

The product of its (nonzero) digits is 155520, while the sum is 38.

The spelling of 63251260634 in words is "sixty-three billion, two hundred fifty-one million, two hundred sixty thousand, six hundred thirty-four".