425799189 has 12 divisors (see below), whose sum is σ = 616820256. Its totient is φ = 283045992.

The previous prime is 425799181. The next prime is 425799193. The reversal of 425799189 is 981997524.

It is not a de Polignac number, because 425799189 - 2³ = 425799181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425799181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65049 + ... + 71294.

It is an arithmetic number, because the mean of its divisors is an integer number (51401688).

Almost surely, 2^425799189 is an apocalyptic number.

It is an amenable number.

425799189 is a deficient number, since it is larger than the sum of its proper divisors (191021067).

425799189 is a wasteful number, since it uses less digits than its factorization.

425799189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136696 (or 136693 counting only the distinct ones).

The product of its digits is 1632960, while the sum is 54.

The square root of 425799189 is about 20634.9022047598. The cubic root of 425799189 is about 752.3182721027.

The spelling of 425799189 in words is "four hundred twenty-five million, seven hundred ninety-nine thousand, one hundred eighty-nine".