63867919322 has 32 divisors (see below), whose sum is σ = 104129625600. Its totient is φ = 29268172800.

The previous prime is 63867919321. The next prime is 63867919343. The reversal of 63867919322 is 22391976836.

It is a super-2 number, since 2×63867919322² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (63867919321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5046122 + ... + 5058762.

It is an arithmetic number, because the mean of its divisors is an integer number (3254050800).

Almost surely, 2^63867919322 is an apocalyptic number.

63867919322 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

63867919322 is a deficient number, since it is larger than the sum of its proper divisors (40261706278).

63867919322 is a wasteful number, since it uses less digits than its factorization.

63867919322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16982.

The product of its digits is 5878656, while the sum is 56.

The spelling of 63867919322 in words is "sixty-three billion, eight hundred sixty-seven million, nine hundred nineteen thousand, three hundred twenty-two".