609323899 has 2 divisors, whose sum is σ = 609323900. Its totient is φ = 609323898.

The previous prime is 609323873. The next prime is 609323927. The reversal of 609323899 is 998323906.

It is a happy number.

609323899 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 609323899 - 2⁵ = 609323867 is a prime.

It is a super-2 number, since 2×609323899² = 742551227785124402, which contains 22 as substring.

It is equal to p_31785988 and since 609323899 and 31785988 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (609327899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 304661949 + 304661950.

It is an arithmetic number, because the mean of its divisors is an integer number (304661950).

Almost surely, 2^609323899 is an apocalyptic number.

609323899 is a deficient number, since it is larger than the sum of its proper divisors (1).

609323899 is an equidigital number, since it uses as much as digits as its factorization.

609323899 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 629856, while the sum is 49.

The square root of 609323899 is about 24684.4870110764. The cubic root of 609323899 is about 847.7791617258.

It can be divided in two parts, 6093 and 23899, that added together give a palindrome (29992).

The spelling of 609323899 in words is "six hundred nine million, three hundred twenty-three thousand, eight hundred ninety-nine".