199944519703 has 2 divisors, whose sum is σ = 199944519704. Its totient is φ = 199944519702.

The previous prime is 199944519689. The next prime is 199944519707. The reversal of 199944519703 is 307915449991.

199944519703 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 199944519703 - 2³³ = 191354585111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (199944519707) 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, 99972259851 + 99972259852.

It is an arithmetic number, because the mean of its divisors is an integer number (99972259852).

Almost surely, 2^199944519703 is an apocalyptic number.

199944519703 is a deficient number, since it is larger than the sum of its proper divisors (1).

199944519703 is an equidigital number, since it uses as much as digits as its factorization.

199944519703 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11022480, while the sum is 61.

The spelling of 199944519703 in words is "one hundred ninety-nine billion, nine hundred forty-four million, five hundred nineteen thousand, seven hundred three".