422431152065 has 16 divisors (see below), whose sum is σ = 555163761600. Its totient is φ = 306661881792.

The previous prime is 422431152029. The next prime is 422431152097. The reversal of 422431152065 is 560251134224.

It is a cyclic number.

It is not a de Polignac number, because 422431152065 - 2⁶ = 422431152001 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55071935 + ... + 55079604.

It is an arithmetic number, because the mean of its divisors is an integer number (34697735100).

Almost surely, 2^422431152065 is an apocalyptic number.

It is an amenable number.

422431152065 is a deficient number, since it is larger than the sum of its proper divisors (132732609535).

422431152065 is a wasteful number, since it uses less digits than its factorization.

422431152065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110151616.

The product of its (nonzero) digits is 57600, while the sum is 35.

Adding to 422431152065 its reverse (560251134224), we get a palindrome (982682286289).

The spelling of 422431152065 in words is "four hundred twenty-two billion, four hundred thirty-one million, one hundred fifty-two thousand, sixty-five".