422977234689 has 45 divisors (see below), whose sum is σ = 637990537107. Its totient is φ = 279272792736.

The previous prime is 422977234639. The next prime is 422977234741. The reversal of 422977234689 is 986432779224.

The square root of 422977234689 is 650367.

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

422977234689 is a `hidden beast` number, since 422 + 9 + 77 + 23 + 46 + 89 = 666.

It can be written as a sum of positive squares in only one way, i.e., 69713425089 + 353263809600 = 264033^2 + 594360^2 .

It is not a de Polignac number, because 422977234689 - 2²¹ = 422975137537 is a prime.

It is not an unprimeable number, because it can be changed into a prime (422977234639) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 743369197 + ... + 743369765.

Almost surely, 2^422977234689 is an apocalyptic number.

422977234689 is the 650367-th square number.

422977234689 is the 325184-th centered octagonal number.

It is an amenable number.

422977234689 is a deficient number, since it is larger than the sum of its proper divisors (215013302418).

422977234689 is an frugal number, since it uses more digits than its factorization.

422977234689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1404 (or 699 counting only the distinct ones).

The product of its digits is 73156608, while the sum is 63.

The spelling of 422977234689 in words is "four hundred twenty-two billion, nine hundred seventy-seven million, two hundred thirty-four thousand, six hundred eighty-nine".