3609435589 has 2 divisors, whose sum is σ = 3609435590. Its totient is φ = 3609435588.

The previous prime is 3609435587. The next prime is 3609435593. The reversal of 3609435589 is 9855349063.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3297630625 + 311804964 = 57425^2 + 17658^2 .

It is a cyclic number.

It is not a de Polignac number, because 3609435589 - 2¹ = 3609435587 is a prime.

It is a super-2 number, since 2×3609435589² = 26056050542279553842, which contains 22 as substring.

Together with 3609435587, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3609435587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1804717794 + 1804717795.

It is an arithmetic number, because the mean of its divisors is an integer number (1804717795).

Almost surely, 2^3609435589 is an apocalyptic number.

It is an amenable number.

3609435589 is a deficient number, since it is larger than the sum of its proper divisors (1).

3609435589 is an equidigital number, since it uses as much as digits as its factorization.

3609435589 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3499200, while the sum is 52.

The square root of 3609435589 is about 60078.5784535553. The cubic root of 3609435589 is about 1533.9566931062.

The spelling of 3609435589 in words is "three billion, six hundred nine million, four hundred thirty-five thousand, five hundred eighty-nine".