424465189 has 2 divisors, whose sum is σ = 424465190. Its totient is φ = 424465188.

The previous prime is 424465159. The next prime is 424465213. The reversal of 424465189 is 981564424.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 261468900 + 162996289 = 16170^2 + 12767^2 .

It is a cyclic number.

It is not a de Polignac number, because 424465189 - 2²⁵ = 390910757 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (424465109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212232594 + 212232595.

It is an arithmetic number, because the mean of its divisors is an integer number (212232595).

Almost surely, 2^424465189 is an apocalyptic number.

It is an amenable number.

424465189 is a deficient number, since it is larger than the sum of its proper divisors (1).

424465189 is an equidigital number, since it uses as much as digits as its factorization.

424465189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 276480, while the sum is 43.

The square root of 424465189 is about 20602.5529728721. The cubic root of 424465189 is about 751.5317961523.

The spelling of 424465189 in words is "four hundred twenty-four million, four hundred sixty-five thousand, one hundred eighty-nine".