655402199 has 2 divisors, whose sum is σ = 655402200. Its totient is φ = 655402198.

The previous prime is 655402193. The next prime is 655402213. The reversal of 655402199 is 991204556.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-655402199 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (655402193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327701099 + 327701100.

It is an arithmetic number, because the mean of its divisors is an integer number (327701100).

Almost surely, 2^655402199 is an apocalyptic number.

655402199 is a deficient number, since it is larger than the sum of its proper divisors (1).

655402199 is an equidigital number, since it uses as much as digits as its factorization.

655402199 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 97200, while the sum is 41.

The square root of 655402199 is about 25600.8241859515. The cubic root of 655402199 is about 868.6322804176.

The spelling of 655402199 in words is "six hundred fifty-five million, four hundred two thousand, one hundred ninety-nine".