955606609 has 2 divisors, whose sum is σ = 955606610. Its totient is φ = 955606608.

The previous prime is 955606559. The next prime is 955606649. The reversal of 955606609 is 906606559.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 945747009 + 9859600 = 30753^2 + 3140^2 .

It is an emirp because it is prime and its reverse (906606559) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-955606609 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (955606649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 477803304 + 477803305.

It is an arithmetic number, because the mean of its divisors is an integer number (477803305).

Almost surely, 2^955606609 is an apocalyptic number.

It is an amenable number.

955606609 is a deficient number, since it is larger than the sum of its proper divisors (1).

955606609 is an equidigital number, since it uses as much as digits as its factorization.

955606609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 437400, while the sum is 46.

The square root of 955606609 is about 30912.8874257970. The cubic root of 955606609 is about 984.9776624067.

Subtracting from 955606609 its reverse (906606559), we obtain a triangular number (49000050 = T₉₈₉₉).

The spelling of 955606609 in words is "nine hundred fifty-five million, six hundred six thousand, six hundred nine".