63307438002 has 128 divisors (see below), whose sum is σ = 145259827200. Its totient is φ = 20427422400.

The previous prime is 63307438001. The next prime is 63307438009. The reversal of 63307438002 is 20083470336.

It is not an unprimeable number, because it can be changed into a prime (63307438001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 150373752 + ... + 150374172.

It is an arithmetic number, because the mean of its divisors is an integer number (1134842400).

Almost surely, 2^63307438002 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63307438002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72629913600).

63307438002 is an abundant number, since it is smaller than the sum of its proper divisors (81952389198).

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

63307438002 is a wasteful number, since it uses less digits than its factorization.

63307438002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 989 (or 983 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 36.

The spelling of 63307438002 in words is "sixty-three billion, three hundred seven million, four hundred thirty-eight thousand, two".