426663622652 has 12 divisors (see below), whose sum is σ = 790582595040. Its totient is φ = 200782881216.

The previous prime is 426663622639. The next prime is 426663622681. The reversal of 426663622652 is 256226366624.

It is a self number, because there is not a number n which added to its sum of digits gives 426663622652.

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, 3137232452 + ... + 3137232587.

It is an arithmetic number, because the mean of its divisors is an integer number (65881882920).

Almost surely, 2^426663622652 is an apocalyptic number.

It is an amenable number.

426663622652 is a deficient number, since it is larger than the sum of its proper divisors (363918972388).

426663622652 is a wasteful number, since it uses less digits than its factorization.

426663622652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6274465060 (or 6274465058 counting only the distinct ones).

The product of its digits is 7464960, while the sum is 50.

The spelling of 426663622652 in words is "four hundred twenty-six billion, six hundred sixty-three million, six hundred twenty-two thousand, six hundred fifty-two".