199930259 has 2 divisors, whose sum is σ = 199930260. Its totient is φ = 199930258.

The previous prime is 199930231. The next prime is 199930301. The reversal of 199930259 is 952039991.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 199930259 - 2¹² = 199926163 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (199930859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99965129 + 99965130.

It is an arithmetic number, because the mean of its divisors is an integer number (99965130).

Almost surely, 2^199930259 is an apocalyptic number.

199930259 is a deficient number, since it is larger than the sum of its proper divisors (1).

199930259 is an equidigital number, since it uses as much as digits as its factorization.

199930259 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 196830, while the sum is 47.

The square root of 199930259 is about 14139.6696920402. The cubic root of 199930259 is about 584.7355650996.

The spelling of 199930259 in words is "one hundred ninety-nine million, nine hundred thirty thousand, two hundred fifty-nine".