63217200492 has 96 divisors (see below), whose sum is σ = 169944104960. Its totient is φ = 20300958720.

The previous prime is 63217200491. The next prime is 63217200533. The reversal of 63217200492 is 29400271236.

63217200492 is a `hidden beast` number, since 632 + 17 + 2 + 0 + 0 + 4 + 9 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (63217200491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 704268 + ... + 788940.

Almost surely, 2^63217200492 is an apocalyptic number.

63217200492 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63217200492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84972052480).

63217200492 is an abundant number, since it is smaller than the sum of its proper divisors (106726904468).

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

63217200492 is a wasteful number, since it uses less digits than its factorization.

63217200492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84940 (or 84932 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The spelling of 63217200492 in words is "sixty-three billion, two hundred seventeen million, two hundred thousand, four hundred ninety-two".