422984747378 has 6 divisors (see below), whose sum is σ = 634478500719. Its totient is φ = 211491913806.

The previous prime is 422984747369. The next prime is 422984747429. The reversal of 422984747378 is 873747489224.

It can be written as a sum of positive squares in only one way, i.e., 211492373689 + 211492373689 = 459883^2 + 459883^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=459883.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 689825 + ... + 1149707.

Almost surely, 2^422984747378 is an apocalyptic number.

422984747378 is a deficient number, since it is larger than the sum of its proper divisors (211493753341).

422984747378 is an frugal number, since it uses more digits than its factorization.

422984747378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 919768 (or 459885 counting only the distinct ones).

The product of its digits is 151732224, while the sum is 65.

The spelling of 422984747378 in words is "four hundred twenty-two billion, nine hundred eighty-four million, seven hundred forty-seven thousand, three hundred seventy-eight".