68568573405 has 16 divisors (see below), whose sum is σ = 111254926464. Its totient is φ = 36054836160.

The previous prime is 68568573397. The next prime is 68568573421. The reversal of 68568573405 is 50437586586.

It is not a de Polignac number, because 68568573405 - 2³ = 68568573397 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32190754 + ... + 32192883.

It is an arithmetic number, because the mean of its divisors is an integer number (6953432904).

Almost surely, 2^68568573405 is an apocalyptic number.

It is an amenable number.

68568573405 is a deficient number, since it is larger than the sum of its proper divisors (42686353059).

68568573405 is a wasteful number, since it uses less digits than its factorization.

68568573405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64383716.

The product of its (nonzero) digits is 24192000, while the sum is 57.

The spelling of 68568573405 in words is "sixty-eight billion, five hundred sixty-eight million, five hundred seventy-three thousand, four hundred five".