63474872635 has 16 divisors (see below), whose sum is σ = 78014762496. Its totient is φ = 49556184928.

The previous prime is 63474872627. The next prime is 63474872651. The reversal of 63474872635 is 53627847436.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 63474872635 - 2³ = 63474872627 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 307657 + ... + 470746.

It is an arithmetic number, because the mean of its divisors is an integer number (4875922656).

Almost surely, 2^63474872635 is an apocalyptic number.

63474872635 is a deficient number, since it is larger than the sum of its proper divisors (14539889861).

63474872635 is a wasteful number, since it uses less digits than its factorization.

63474872635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 778802.

The product of its digits is 20321280, while the sum is 55.

The spelling of 63474872635 in words is "sixty-three billion, four hundred seventy-four million, eight hundred seventy-two thousand, six hundred thirty-five".