613989589 has 2 divisors, whose sum is σ = 613989590. Its totient is φ = 613989588.

The previous prime is 613989569. The next prime is 613989601. The reversal of 613989589 is 985989316.

613989589 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 405418225 + 208571364 = 20135^2 + 14442^2 .

It is a cyclic number.

It is not a de Polignac number, because 613989589 - 2¹³ = 613981397 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (613989539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306994794 + 306994795.

It is an arithmetic number, because the mean of its divisors is an integer number (306994795).

Almost surely, 2^613989589 is an apocalyptic number.

It is an amenable number.

613989589 is a deficient number, since it is larger than the sum of its proper divisors (1).

613989589 is an equidigital number, since it uses as much as digits as its factorization.

613989589 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4199040, while the sum is 58.

The square root of 613989589 is about 24778.8133089541. The cubic root of 613989589 is about 849.9375220514.

The spelling of 613989589 in words is "six hundred thirteen million, nine hundred eighty-nine thousand, five hundred eighty-nine".