63452756322 has 66 divisors (see below), whose sum is σ = 142962933537. Its totient is φ = 21122063496.

The previous prime is 63452756299. The next prime is 63452756327. The reversal of 63452756322 is 22365725436.

63452756322 is a `hidden beast` number, since 6 + 3 + 4 + 5 + 2 + 7 + 5 + 632 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 40973451561 + 22479304761 = 202419^2 + 149931^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=178119.

It is a super-2 number, since 2×63452756322² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (63452756327) by changing a digit.

It is a polite number, since it can be written in 32 ways as a sum of consecutive naturals, for example, 86565468 + ... + 86566200.

Almost surely, 2^63452756322 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63452756322

63452756322 is an abundant number, since it is smaller than the sum of its proper divisors (79510177215).

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

63452756322 is an frugal number, since it uses more digits than its factorization.

63452756322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1498 (or 738 counting only the distinct ones).

The product of its digits is 1814400, while the sum is 45.

The spelling of 63452756322 in words is "sixty-three billion, four hundred fifty-two million, seven hundred fifty-six thousand, three hundred twenty-two".