63112420318 has 4 divisors (see below), whose sum is σ = 94668630480. Its totient is φ = 31556210158.

The previous prime is 63112420307. The next prime is 63112420333. The reversal of 63112420318 is 81302421136.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×63112420318² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 63112420318.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15778105078 + ... + 15778105081.

It is an arithmetic number, because the mean of its divisors is an integer number (23667157620).

Almost surely, 2^63112420318 is an apocalyptic number.

63112420318 is a deficient number, since it is larger than the sum of its proper divisors (31556210162).

63112420318 is a wasteful number, since it uses less digits than its factorization.

63112420318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31556210161.

The product of its (nonzero) digits is 6912, while the sum is 31.

The spelling of 63112420318 in words is "sixty-three billion, one hundred twelve million, four hundred twenty thousand, three hundred eighteen".