68619812584 has 16 divisors (see below), whose sum is σ = 128685611520. Its totient is φ = 34303649520.

The previous prime is 68619812533. The next prime is 68619812587. The reversal of 68619812584 is 48521891686.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (68619812587) 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 3 ways as a sum of consecutive naturals, for example, 735322 + ... + 823369.

It is an arithmetic number, because the mean of its divisors is an integer number (8042850720).

Almost surely, 2^68619812584 is an apocalyptic number.

It is an amenable number.

68619812584 is a deficient number, since it is larger than the sum of its proper divisors (60065798936).

68619812584 is a wasteful number, since it uses less digits than its factorization.

68619812584 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1564200 (or 1564196 counting only the distinct ones).

The product of its digits is 6635520, while the sum is 58.

The spelling of 68619812584 in words is "sixty-eight billion, six hundred nineteen million, eight hundred twelve thousand, five hundred eighty-four".