68993672395 has 16 divisors (see below), whose sum is σ = 83802926592. Its totient is φ = 54521465440.

The previous prime is 68993672393. The next prime is 68993672411. The reversal of 68993672395 is 59327639986.

It is not a de Polignac number, because 68993672395 - 2¹ = 68993672393 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 68993672395.

It is not an unprimeable number, because it can be changed into a prime (68993672393) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5032500 + ... + 5046190.

It is an arithmetic number, because the mean of its divisors is an integer number (5237682912).

Almost surely, 2^68993672395 is an apocalyptic number.

68993672395 is a deficient number, since it is larger than the sum of its proper divisors (14809254197).

68993672395 is a wasteful number, since it uses less digits than its factorization.

68993672395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25922.

The product of its digits is 132269760, while the sum is 67.

The spelling of 68993672395 in words is "sixty-eight billion, nine hundred ninety-three million, six hundred seventy-two thousand, three hundred ninety-five".