426661602624223 has 8 divisors (see below), whose sum is σ = 426716680037760. Its totient is φ = 426606528481560.

The previous prime is 426661602624221. The next prime is 426661602624227. The reversal of 426661602624223 is 322426206166624.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 426661602624223 - 2¹ = 426661602624221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426661602624221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 265661886 + ... + 267263092.

It is an arithmetic number, because the mean of its divisors is an integer number (53339585004720).

Almost surely, 2^{426661602624223} is an apocalyptic number.

426661602624223 is a deficient number, since it is larger than the sum of its proper divisors (55077413537).

426661602624223 is a wasteful number, since it uses less digits than its factorization.

426661602624223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1635437.

The product of its (nonzero) digits is 11943936, while the sum is 52.

The spelling of 426661602624223 in words is "four hundred twenty-six trillion, six hundred sixty-one billion, six hundred two million, six hundred twenty-four thousand, two hundred twenty-three".