609139319 has 2 divisors, whose sum is σ = 609139320. Its totient is φ = 609139318.

The previous prime is 609139253. The next prime is 609139361. The reversal of 609139319 is 913931906.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 609139319 - 2¹⁶ = 609073783 is a prime.

It is a super-2 number, since 2×609139319² = 742101419903567522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (609139919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 304569659 + 304569660.

It is an arithmetic number, because the mean of its divisors is an integer number (304569660).

Almost surely, 2^609139319 is an apocalyptic number.

609139319 is a deficient number, since it is larger than the sum of its proper divisors (1).

609139319 is an equidigital number, since it uses as much as digits as its factorization.

609139319 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 39366, while the sum is 41.

The square root of 609139319 is about 24680.7479424753. The cubic root of 609139319 is about 847.6935483208.

The spelling of 609139319 in words is "six hundred nine million, one hundred thirty-nine thousand, three hundred nineteen".