422594188749 has 12 divisors (see below), whose sum is σ = 612162869500. Its totient is φ = 280922209344.

The previous prime is 422594188729. The next prime is 422594188769. The reversal of 422594188749 is 947881495224.

422594188749 is a `hidden beast` number, since 4 + 22 + 594 + 18 + 8 + 7 + 4 + 9 = 666.

It is an interprime number because it is at equal distance from previous prime (422594188729) and next prime (422594188769).

It can be written as a sum of positive squares in 2 ways, for example, as 378612549225 + 43981639524 = 615315^2 + 209718^2 .

It is not a de Polignac number, because 422594188749 - 2¹² = 422594184653 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422594188729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 67267504 + ... + 67273785.

Almost surely, 2^422594188749 is an apocalyptic number.

It is an amenable number.

422594188749 is a deficient number, since it is larger than the sum of its proper divisors (189568680751).

422594188749 is a wasteful number, since it uses less digits than its factorization.

422594188749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134541644 (or 134541641 counting only the distinct ones).

The product of its digits is 46448640, while the sum is 63.

The spelling of 422594188749 in words is "four hundred twenty-two billion, five hundred ninety-four million, one hundred eighty-eight thousand, seven hundred forty-nine".