68463972224 has 16 divisors (see below), whose sum is σ = 136393069920. Its totient is φ = 34231986048.

The previous prime is 68463972217. The next prime is 68463972253. The reversal of 68463972224 is 42227936486.

It is a happy number.

68463972224 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (16).

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, 267437264 + ... + 267437519.

It is an arithmetic number, because the mean of its divisors is an integer number (8524566870).

Almost surely, 2^68463972224 is an apocalyptic number.

68463972224 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

68463972224 is a deficient number, since it is larger than the sum of its proper divisors (67929097696).

68463972224 is an equidigital number, since it uses as much as digits as its factorization.

68463972224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534874797 (or 534874785 counting only the distinct ones).

The product of its digits is 6967296, while the sum is 53.

The spelling of 68463972224 in words is "sixty-eight billion, four hundred sixty-three million, nine hundred seventy-two thousand, two hundred twenty-four".