68619916799 has 8 divisors (see below), whose sum is σ = 78468343968. Its totient is φ = 58782885120.

The previous prime is 68619916769. The next prime is 68619916823. The reversal of 68619916799 is 99761991686.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 68619916799 - 2²⁸ = 68351481343 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68619916769) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2835962 + ... + 2860055.

It is an arithmetic number, because the mean of its divisors is an integer number (9808542996).

Almost surely, 2^68619916799 is an apocalyptic number.

68619916799 is a deficient number, since it is larger than the sum of its proper divisors (9848427169).

68619916799 is a wasteful number, since it uses less digits than its factorization.

68619916799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5697745.

The product of its digits is 79361856, while the sum is 71.

The spelling of 68619916799 in words is "sixty-eight billion, six hundred nineteen million, nine hundred sixteen thousand, seven hundred ninety-nine".