426236253556 has 6 divisors (see below), whose sum is σ = 745913443730. Its totient is φ = 213118126776.

The previous prime is 426236253517. The next prime is 426236253601. The reversal of 426236253556 is 655352632624.

It can be written as a sum of positive squares in only one way, i.e., 408244323600 + 17991929956 = 638940^2 + 134134^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53279531691 + ... + 53279531698.

Almost surely, 2^426236253556 is an apocalyptic number.

It is an amenable number.

426236253556 is a deficient number, since it is larger than the sum of its proper divisors (319677190174).

426236253556 is a wasteful number, since it uses less digits than its factorization.

426236253556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106559063393 (or 106559063391 counting only the distinct ones).

The product of its digits is 7776000, while the sum is 49.

The spelling of 426236253556 in words is "four hundred twenty-six billion, two hundred thirty-six million, two hundred fifty-three thousand, five hundred fifty-six".