609734089 has 2 divisors, whose sum is σ = 609734090. Its totient is φ = 609734088.

The previous prime is 609734057. The next prime is 609734123. The reversal of 609734089 is 980437906.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 506610064 + 103124025 = 22508^2 + 10155^2 .

It is a cyclic number.

It is not a de Polignac number, because 609734089 - 2⁵ = 609734057 is a prime.

It is not a weakly prime, because it can be changed into another prime (609734029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 304867044 + 304867045.

It is an arithmetic number, because the mean of its divisors is an integer number (304867045).

Almost surely, 2^609734089 is an apocalyptic number.

It is an amenable number.

609734089 is a deficient number, since it is larger than the sum of its proper divisors (1).

609734089 is an equidigital number, since it uses as much as digits as its factorization.

609734089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 326592, while the sum is 46.

The square root of 609734089 is about 24692.7942728238. The cubic root of 609734089 is about 847.9693575205.

It can be divided in two parts, 6097 and 34089, that added together give a triangular number (40186 = T₂₈₃).

The spelling of 609734089 in words is "six hundred nine million, seven hundred thirty-four thousand, eighty-nine".