199059629 has 2 divisors, whose sum is σ = 199059630. Its totient is φ = 199059628.

The previous prime is 199059577. The next prime is 199059631. The reversal of 199059629 is 926950991.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 112996900 + 86062729 = 10630^2 + 9277^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-199059629 is a prime.

Together with 199059631, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (199059659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99529814 + 99529815.

It is an arithmetic number, because the mean of its divisors is an integer number (99529815).

Almost surely, 2^199059629 is an apocalyptic number.

It is an amenable number.

199059629 is a deficient number, since it is larger than the sum of its proper divisors (1).

199059629 is an equidigital number, since it uses as much as digits as its factorization.

199059629 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 393660, while the sum is 50.

The square root of 199059629 is about 14108.8493152347. The cubic root of 199059629 is about 583.8855535492.

The spelling of 199059629 in words is "one hundred ninety-nine million, fifty-nine thousand, six hundred twenty-nine".