63349308071 has 32 divisors (see below), whose sum is σ = 79278912000. Its totient is φ = 49389685632.

The previous prime is 63349308053. The next prime is 63349308073. The reversal of 63349308071 is 17080394336.

It is a de Polignac number, because none of the positive numbers 2^k-63349308071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63349308073) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 644525 + ... + 736281.

It is an arithmetic number, because the mean of its divisors is an integer number (2477466000).

Almost surely, 2^63349308071 is an apocalyptic number.

63349308071 is a deficient number, since it is larger than the sum of its proper divisors (15929603929).

63349308071 is a wasteful number, since it uses less digits than its factorization.

63349308071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91991.

The product of its (nonzero) digits is 326592, while the sum is 44.

The spelling of 63349308071 in words is "sixty-three billion, three hundred forty-nine million, three hundred eight thousand, seventy-one".