199241069 has 2 divisors, whose sum is σ = 199241070. Its totient is φ = 199241068.

The previous prime is 199241057. The next prime is 199241113. The reversal of 199241069 is 960142991.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 197065444 + 2175625 = 14038^2 + 1475^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-199241069 is a prime.

It is a super-2 number, since 2×199241069² = 79394007152525522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (199241369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99620534 + 99620535.

It is an arithmetic number, because the mean of its divisors is an integer number (99620535).

Almost surely, 2^199241069 is an apocalyptic number.

It is an amenable number.

199241069 is a deficient number, since it is larger than the sum of its proper divisors (1).

199241069 is an equidigital number, since it uses as much as digits as its factorization.

199241069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34992, while the sum is 41.

The square root of 199241069 is about 14115.2778576973. The cubic root of 199241069 is about 584.0629007826.

The spelling of 199241069 in words is "one hundred ninety-nine million, two hundred forty-one thousand, sixty-nine".