68569805426 has 8 divisors (see below), whose sum is σ = 102856659564. Its totient is φ = 34284252240.

The previous prime is 68569805407. The next prime is 68569805483. The reversal of 68569805426 is 62450896586.

It can be written as a sum of positive squares in 2 ways, for example, as 68303299801 + 266505625 = 261349^2 + 16325^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 180605 + ... + 412016.

Almost surely, 2^68569805426 is an apocalyptic number.

68569805426 is a deficient number, since it is larger than the sum of its proper divisors (34286854138).

68569805426 is a wasteful number, since it uses less digits than its factorization.

68569805426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 650476.

The product of its (nonzero) digits is 24883200, while the sum is 59.

The spelling of 68569805426 in words is "sixty-eight billion, five hundred sixty-nine million, eight hundred five thousand, four hundred twenty-six".