422956715563 has 4 divisors (see below), whose sum is σ = 423071872168. Its totient is φ = 422841558960.

The previous prime is 422956715539. The next prime is 422956715579. The reversal of 422956715563 is 365517659224.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-422956715563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (422956715513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57572793 + ... + 57580138.

It is an arithmetic number, because the mean of its divisors is an integer number (105767968042).

Almost surely, 2^422956715563 is an apocalyptic number.

422956715563 is a deficient number, since it is larger than the sum of its proper divisors (115156605).

422956715563 is a wasteful number, since it uses less digits than its factorization.

422956715563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115156604.

The product of its digits is 13608000, while the sum is 55.

The spelling of 422956715563 in words is "four hundred twenty-two billion, nine hundred fifty-six million, seven hundred fifteen thousand, five hundred sixty-three".