63986123622 has 16 divisors (see below), whose sum is σ = 127980986112. Its totient is φ = 21327251400.

The previous prime is 63986123609. The next prime is 63986123723. The reversal of 63986123622 is 22632168936.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 266938 + ... + 446349.

It is an arithmetic number, because the mean of its divisors is an integer number (7998811632).

Almost surely, 2^63986123622 is an apocalyptic number.

63986123622 is an abundant number, since it is smaller than the sum of its proper divisors (63994862490).

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

63986123622 is a wasteful number, since it uses less digits than its factorization.

63986123622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 728243.

The product of its digits is 1119744, while the sum is 48.

The spelling of 63986123622 in words is "sixty-three billion, nine hundred eighty-six million, one hundred twenty-three thousand, six hundred twenty-two".