63913242672 has 40 divisors (see below), whose sum is σ = 183454679280. Its totient is φ = 21304414080.

The previous prime is 63913242647. The next prime is 63913242677. The reversal of 63913242672 is 27624231936.

63913242672 is a `hidden beast` number, since 63 + 9 + 1 + 324 + 267 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (63913242677) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73973229 + ... + 73974092.

It is an arithmetic number, because the mean of its divisors is an integer number (4586366982).

Almost surely, 2^63913242672 is an apocalyptic number.

It is an amenable number.

63913242672 is an abundant number, since it is smaller than the sum of its proper divisors (119541436608).

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

63913242672 is a wasteful number, since it uses less digits than its factorization.

63913242672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147947338 (or 147947326 counting only the distinct ones).

The product of its digits is 653184, while the sum is 45.

The spelling of 63913242672 in words is "sixty-three billion, nine hundred thirteen million, two hundred forty-two thousand, six hundred seventy-two".