426689333558 has 4 divisors (see below), whose sum is σ = 640034000340. Its totient is φ = 213344666778.

The previous prime is 426689333557. The next prime is 426689333591. The reversal of 426689333558 is 855333986624.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 426689333558.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426689333557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106672333388 + ... + 106672333391.

It is an arithmetic number, because the mean of its divisors is an integer number (160008500085).

Almost surely, 2^426689333558 is an apocalyptic number.

426689333558 is a deficient number, since it is larger than the sum of its proper divisors (213344666782).

426689333558 is a wasteful number, since it uses less digits than its factorization.

426689333558 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213344666781.

The product of its digits is 111974400, while the sum is 62.

The spelling of 426689333558 in words is "four hundred twenty-six billion, six hundred eighty-nine million, three hundred thirty-three thousand, five hundred fifty-eight".