939609089 has 2 divisors, whose sum is σ = 939609090. Its totient is φ = 939609088.

The previous prime is 939609031. The next prime is 939609107. The reversal of 939609089 is 980906939.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 785849089 + 153760000 = 28033^2 + 12400^2 .

It is a cyclic number.

It is not a de Polignac number, because 939609089 - 2²⁴ = 922831873 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 939609089.

It is not a weakly prime, because it can be changed into another prime (939609589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 469804544 + 469804545.

It is an arithmetic number, because the mean of its divisors is an integer number (469804545).

Almost surely, 2^939609089 is an apocalyptic number.

It is an amenable number.

939609089 is a deficient number, since it is larger than the sum of its proper divisors (1).

939609089 is an equidigital number, since it uses as much as digits as its factorization.

939609089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 944784, while the sum is 53.

The square root of 939609089 is about 30653.0437151027. The cubic root of 939609089 is about 979.4502987582.

The spelling of 939609089 in words is "nine hundred thirty-nine million, six hundred nine thousand, eighty-nine".