426650065635663 has 12 divisors (see below), whose sum is σ = 616272551199448. Its totient is φ = 284433269011920.

The previous prime is 426650065635653. The next prime is 426650065635683. The reversal of 426650065635663 is 366536560056624.

It is a happy number.

426650065635663 is a `hidden beast` number, since 4 + 2 + 6 + 6 + 5 + 0 + 0 + 6 + 5 + 63 + 566 + 3 = 666.

It is not a de Polignac number, because 426650065635663 - 2⁹ = 426650065635151 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 426650065635663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426650065635623) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21396468 + ... + 36209238.

Almost surely, 2^{426650065635663} is an apocalyptic number.

426650065635663 is a deficient number, since it is larger than the sum of its proper divisors (189622485563785).

426650065635663 is a wasteful number, since it uses less digits than its factorization.

426650065635663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18013094 (or 18013091 counting only the distinct ones).

The product of its (nonzero) digits is 419904000, while the sum is 63.

The spelling of 426650065635663 in words is "four hundred twenty-six trillion, six hundred fifty billion, sixty-five million, six hundred thirty-five thousand, six hundred sixty-three".