1949934199 has 2 divisors, whose sum is σ = 1949934200. Its totient is φ = 1949934198.

The previous prime is 1949934157. The next prime is 1949934209. The reversal of 1949934199 is 9914399491.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1949934199 - 2¹¹ = 1949932151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1949934149) 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, 974967099 + 974967100.

It is an arithmetic number, because the mean of its divisors is an integer number (974967100).

Almost surely, 2^1949934199 is an apocalyptic number.

1949934199 is a deficient number, since it is larger than the sum of its proper divisors (1).

1949934199 is an equidigital number, since it uses as much as digits as its factorization.

1949934199 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2834352, while the sum is 58.

The square root of 1949934199 is about 44158.0592757426. The cubic root of 1949934199 is about 1249.3189247633.

The spelling of 1949934199 in words is "one billion, nine hundred forty-nine million, nine hundred thirty-four thousand, one hundred ninety-nine".