63347274336 has 96 divisors (see below), whose sum is σ = 168127087968. Its totient is φ = 20882534400.

The previous prime is 63347274299. The next prime is 63347274379.

63347274336 is nontrivially palindromic in base 10.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 9663636 + ... + 9670188.

It is an arithmetic number, because the mean of its divisors is an integer number (1751323833).

Almost surely, 2^63347274336 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 63347274336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84063543984).

63347274336 is an abundant number, since it is smaller than the sum of its proper divisors (104779813632).

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

63347274336 is a wasteful number, since it uses less digits than its factorization.

63347274336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7664 (or 7656 counting only the distinct ones).

The product of its digits is 4572288, while the sum is 48.

The spelling of 63347274336 in words is "sixty-three billion, three hundred forty-seven million, two hundred seventy-four thousand, three hundred thirty-six".