199029907 has 2 divisors, whose sum is σ = 199029908. Its totient is φ = 199029906.

The previous prime is 199029881. The next prime is 199029911. The reversal of 199029907 is 709920991.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 199029907 - 2¹¹ = 199027859 is a prime.

It is a super-2 number, since 2×199029907² = 79225807760857298, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (199029937) 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, 99514953 + 99514954.

It is an arithmetic number, because the mean of its divisors is an integer number (99514954).

Almost surely, 2^199029907 is an apocalyptic number.

199029907 is a deficient number, since it is larger than the sum of its proper divisors (1).

199029907 is an equidigital number, since it uses as much as digits as its factorization.

199029907 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 91854, while the sum is 46.

The square root of 199029907 is about 14107.7959653519. The cubic root of 199029907 is about 583.8564917210.

The spelling of 199029907 in words is "one hundred ninety-nine million, twenty-nine thousand, nine hundred seven".