3199900043 has 2 divisors, whose sum is σ = 3199900044. Its totient is φ = 3199900042.

The previous prime is 3199900019. The next prime is 3199900057. The reversal of 3199900043 is 3400099913.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3199900043 - 2²² = 3195705739 is a prime.

It is not a weakly prime, because it can be changed into another prime (3199900003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1599950021 + 1599950022.

It is an arithmetic number, because the mean of its divisors is an integer number (1599950022).

Almost surely, 2^3199900043 is an apocalyptic number.

3199900043 is a deficient number, since it is larger than the sum of its proper divisors (1).

3199900043 is an equidigital number, since it uses as much as digits as its factorization.

3199900043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26244, while the sum is 38.

The square root of 3199900043 is about 56567.6589846177. The cubic root of 3199900043 is about 1473.5972557657.

Adding to 3199900043 its reverse (3400099913), we get a palindrome (6599999956).

The spelling of 3199900043 in words is "three billion, one hundred ninety-nine million, nine hundred thousand, forty-three".