63524172468 has 12 divisors (see below), whose sum is σ = 148223069120. Its totient is φ = 21174724152.

The previous prime is 63524172449. The next prime is 63524172479. The reversal of 63524172468 is 86427142536.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×63524172468² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2646840508 + ... + 2646840531.

Almost surely, 2^63524172468 is an apocalyptic number.

It is an amenable number.

63524172468 is an abundant number, since it is smaller than the sum of its proper divisors (84698896652).

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

63524172468 is a wasteful number, since it uses less digits than its factorization.

63524172468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5293681046 (or 5293681044 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 48.

The spelling of 63524172468 in words is "sixty-three billion, five hundred twenty-four million, one hundred seventy-two thousand, four hundred sixty-eight".