68928693573 has 16 divisors (see below), whose sum is σ = 92456270336. Its totient is φ = 45677580480.

The previous prime is 68928693569. The next prime is 68928693619. The reversal of 68928693573 is 37539682986.

It is not a de Polignac number, because 68928693573 - 2² = 68928693569 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68928693503) 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, 251340 + ... + 448362.

It is an arithmetic number, because the mean of its divisors is an integer number (5778516896).

Almost surely, 2^68928693573 is an apocalyptic number.

It is an amenable number.

68928693573 is a deficient number, since it is larger than the sum of its proper divisors (23527576763).

68928693573 is a wasteful number, since it uses less digits than its factorization.

68928693573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197724.

The product of its digits is 117573120, while the sum is 66.

The spelling of 68928693573 in words is "sixty-eight billion, nine hundred twenty-eight million, six hundred ninety-three thousand, five hundred seventy-three".