609803399 has 2 divisors, whose sum is σ = 609803400. Its totient is φ = 609803398.

The previous prime is 609803351. The next prime is 609803431. The reversal of 609803399 is 993308906.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 609803399 - 2¹² = 609799303 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (609803099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 304901699 + 304901700.

It is an arithmetic number, because the mean of its divisors is an integer number (304901700).

Almost surely, 2^609803399 is an apocalyptic number.

609803399 is a deficient number, since it is larger than the sum of its proper divisors (1).

609803399 is an equidigital number, since it uses as much as digits as its factorization.

609803399 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 314928, while the sum is 47.

The square root of 609803399 is about 24694.1976788071. The cubic root of 609803399 is about 848.0014865696.

The spelling of 609803399 in words is "six hundred nine million, eight hundred three thousand, three hundred ninety-nine".