63465316992 has 896 divisors, whose sum is σ = 241558945920. Its totient is φ = 16258682880.

The previous prime is 63465316987. The next prime is 63465317011. The reversal of 63465316992 is 29961356436.

63465316992 is a `hidden beast` number, since 6 + 3 + 46 + 531 + 69 + 9 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (896).

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

Its product of digits (6298560) is a multiple of the sum of its prime divisors (96).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 869387868 + ... + 869387940.

Almost surely, 2^63465316992 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 63465316992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120779472960).

63465316992 is an abundant number, since it is smaller than the sum of its proper divisors (178093628928).

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

63465316992 is an frugal number, since it uses more digits than its factorization.

63465316992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145 (or 96 counting only the distinct ones).

The product of its digits is 6298560, while the sum is 54.

The spelling of 63465316992 in words is "sixty-three billion, four hundred sixty-five million, three hundred sixteen thousand, nine hundred ninety-two".