63869489496 has 80 divisors (see below), whose sum is σ = 178952320800. Its totient is φ = 21282854976.

The previous prime is 63869489477. The next prime is 63869489561. The reversal of 63869489496 is 69498496836.

63869489496 is a `hidden beast` number, since 6 + 38 + 69 + 48 + 9 + 496 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2197185 + ... + 2226063.

It is an arithmetic number, because the mean of its divisors is an integer number (2236904010).

Almost surely, 2^63869489496 is an apocalyptic number.

It is an amenable number.

63869489496 is an abundant number, since it is smaller than the sum of its proper divisors (115082831304).

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

63869489496 is a wasteful number, since it uses less digits than its factorization.

63869489496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32310 (or 32297 counting only the distinct ones).

The product of its digits is 483729408, while the sum is 72.

The spelling of 63869489496 in words is "sixty-three billion, eight hundred sixty-nine million, four hundred eighty-nine thousand, four hundred ninety-six".