609149953 has 2 divisors, whose sum is σ = 609149954. Its totient is φ = 609149952.

The previous prime is 609149941. The next prime is 609149977. The reversal of 609149953 is 359941906.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 461089729 + 148060224 = 21473^2 + 12168^2 .

It is a cyclic number.

It is not a de Polignac number, because 609149953 - 2⁵ = 609149921 is a prime.

It is not a weakly prime, because it can be changed into another prime (609149923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 304574976 + 304574977.

It is an arithmetic number, because the mean of its divisors is an integer number (304574977).

Almost surely, 2^609149953 is an apocalyptic number.

It is an amenable number.

609149953 is a deficient number, since it is larger than the sum of its proper divisors (1).

609149953 is an equidigital number, since it uses as much as digits as its factorization.

609149953 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 262440, while the sum is 46.

The square root of 609149953 is about 24680.9633726076. The cubic root of 609149953 is about 847.6984811391.

The spelling of 609149953 in words is "six hundred nine million, one hundred forty-nine thousand, nine hundred fifty-three".