426479651768 has 16 divisors (see below), whose sum is σ = 816663163680. Its totient is φ = 208702808128.

The previous prime is 426479651749. The next prime is 426479651833. The reversal of 426479651768 is 867156974624.

It is a congruent number.

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, 567126821 + ... + 567127572.

It is an arithmetic number, because the mean of its divisors is an integer number (51041447730).

Almost surely, 2^426479651768 is an apocalyptic number.

It is an amenable number.

426479651768 is a deficient number, since it is larger than the sum of its proper divisors (390183511912).

426479651768 is a wasteful number, since it uses less digits than its factorization.

426479651768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1134254446 (or 1134254442 counting only the distinct ones).

The product of its digits is 121927680, while the sum is 65.

The spelling of 426479651768 in words is "four hundred twenty-six billion, four hundred seventy-nine million, six hundred fifty-one thousand, seven hundred sixty-eight".