63913874148 has 96 divisors (see below), whose sum is σ = 170629509120. Its totient is φ = 20674206720.

The previous prime is 63913874131. The next prime is 63913874149. The reversal of 63913874148 is 84147831936.

63913874148 is a `hidden beast` number, since 63 + 91 + 3 + 87 + 414 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 63913874094 and 63913874103.

It is not an unprimeable number, because it can be changed into a prime (63913874149) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1509588 + ... + 1551348.

It is an arithmetic number, because the mean of its divisors is an integer number (1777390720).

Almost surely, 2^63913874148 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63913874148, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85314754560).

63913874148 is an abundant number, since it is smaller than the sum of its proper divisors (106715634972).

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

63913874148 is a wasteful number, since it uses less digits than its factorization.

63913874148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42194 (or 42186 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 54.

The spelling of 63913874148 in words is "sixty-three billion, nine hundred thirteen million, eight hundred seventy-four thousand, one hundred forty-eight".