422949919716 has 81 divisors (see below), whose sum is σ = 1080275007721. Its totient is φ = 139527832224.

The previous prime is 422949919687. The next prime is 422949919727. The reversal of 422949919716 is 617919949224.

The square root of 422949919716 is 650346.

It is a perfect power (a square), and thus also a powerful number.

422949919716 is a `hidden beast` number, since 42 + 2 + 9 + 499 + 1 + 97 + 16 = 666.

It can be written as a sum of positive squares in only one way, i.e., 834632100 + 422115287616 = 28890^2 + 649704^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 417521626 + ... + 417522638.

Almost surely, 2^422949919716 is an apocalyptic number.

422949919716 is the 650346-th square number.

It is an amenable number.

422949919716 is an abundant number, since it is smaller than the sum of its proper divisors (657325088005).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

422949919716 is a wasteful number, since it uses less digits than its factorization.

422949919716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2250 (or 1125 counting only the distinct ones).

The product of its digits is 17635968, while the sum is 63.

The spelling of 422949919716 in words is "four hundred twenty-two billion, nine hundred forty-nine million, nine hundred nineteen thousand, seven hundred sixteen".