655343699 has 2 divisors, whose sum is σ = 655343700. Its totient is φ = 655343698.

The previous prime is 655343641. The next prime is 655343707. The reversal of 655343699 is 996343556.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 655343699 - 2⁸ = 655343443 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (655343609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327671849 + 327671850.

It is an arithmetic number, because the mean of its divisors is an integer number (327671850).

Almost surely, 2^655343699 is an apocalyptic number.

655343699 is a deficient number, since it is larger than the sum of its proper divisors (1).

655343699 is an equidigital number, since it uses as much as digits as its factorization.

655343699 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2624400, while the sum is 50.

The square root of 655343699 is about 25599.6816191139. The cubic root of 655343699 is about 868.6064354731.

The spelling of 655343699 in words is "six hundred fifty-five million, three hundred forty-three thousand, six hundred ninety-nine".