63415566004 has 48 divisors (see below), whose sum is σ = 134603804160. Its totient is φ = 25519956480.

The previous prime is 63415565981. The next prime is 63415566031. The reversal of 63415566004 is 40066551436.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50602 + ... + 359710.

It is an arithmetic number, because the mean of its divisors is an integer number (2804245920).

Almost surely, 2^63415566004 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 63415566004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67301902080).

63415566004 is an abundant number, since it is smaller than the sum of its proper divisors (71188238156).

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

63415566004 is a wasteful number, since it uses less digits than its factorization.

63415566004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309568 (or 309566 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 40.

The spelling of 63415566004 in words is "sixty-three billion, four hundred fifteen million, five hundred sixty-six thousand, four".