63692563872 has 48 divisors (see below), whose sum is σ = 191077693632. Its totient is φ = 18197875200.

The previous prime is 63692563871. The next prime is 63692563889. The reversal of 63692563872 is 27836529636.

It is a tau number, because it is divible by the number of its divisors (48).

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (63692563871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47389629 + ... + 47390972.

It is an arithmetic number, because the mean of its divisors is an integer number (3980785284).

Almost surely, 2^63692563872 is an apocalyptic number.

It is an amenable number.

63692563872 is an abundant number, since it is smaller than the sum of its proper divisors (127385129760).

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

63692563872 is a wasteful number, since it uses less digits than its factorization.

63692563872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94780621 (or 94780613 counting only the distinct ones).

The product of its digits is 19595520, while the sum is 57.

The spelling of 63692563872 in words is "sixty-three billion, six hundred ninety-two million, five hundred sixty-three thousand, eight hundred seventy-two".