63481396968 has 96 divisors (see below), whose sum is σ = 187629099840. Its totient is φ = 19229564160.

The previous prime is 63481396963. The next prime is 63481396999. The reversal of 63481396968 is 86969318436.

63481396968 is a `hidden beast` number, since 6 + 3 + 481 + 3 + 96 + 9 + 68 = 666.

It is a super-2 number, since 2×63481396968² (a number of 22 digits) contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (63481396963) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2325205 + ... + 2352347.

It is an arithmetic number, because the mean of its divisors is an integer number (1954469790).

Almost surely, 2^63481396968 is an apocalyptic number.

It is an amenable number.

63481396968 is an abundant number, since it is smaller than the sum of its proper divisors (124147702872).

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

63481396968 is a wasteful number, since it uses less digits than its factorization.

63481396968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30119 (or 30112 counting only the distinct ones).

The product of its digits is 40310784, while the sum is 63.

The spelling of 63481396968 in words is "sixty-three billion, four hundred eighty-one million, three hundred ninety-six thousand, nine hundred sixty-eight".