42369589 has 2 divisors, whose sum is σ = 42369590. Its totient is φ = 42369588.

The previous prime is 42369581. The next prime is 42369617. The reversal of 42369589 is 98596324.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37271025 + 5098564 = 6105^2 + 2258^2 .

It is a cyclic number.

It is not a de Polignac number, because 42369589 - 2³ = 42369581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42369581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21184794 + 21184795.

It is an arithmetic number, because the mean of its divisors is an integer number (21184795).

Almost surely, 2^42369589 is an apocalyptic number.

It is an amenable number.

42369589 is a deficient number, since it is larger than the sum of its proper divisors (1).

42369589 is an equidigital number, since it uses as much as digits as its factorization.

42369589 is an evil number, because the sum of its binary digits is even.

The product of its digits is 466560, while the sum is 46.

The square root of 42369589 is about 6509.1926534709. The cubic root of 42369589 is about 348.6192924109.

The spelling of 42369589 in words is "forty-two million, three hundred sixty-nine thousand, five hundred eighty-nine".