422769549512 has 36 divisors (see below), whose sum is σ = 821073282705. Its totient is φ = 204069897696.

The previous prime is 422769549479. The next prime is 422769549571. The reversal of 422769549512 is 215945967224.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 422518200196 + 251349316 = 650014^2 + 15854^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=459766.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 53328893 + ... + 53336819.

Almost surely, 2^422769549512 is an apocalyptic number.

It is an amenable number.

422769549512 is a deficient number, since it is larger than the sum of its proper divisors (398303733193).

422769549512 is an frugal number, since it uses more digits than its factorization.

422769549512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15918 (or 7958 counting only the distinct ones).

The product of its digits is 10886400, while the sum is 56.

The spelling of 422769549512 in words is "four hundred twenty-two billion, seven hundred sixty-nine million, five hundred forty-nine thousand, five hundred twelve".