199084434503 has 2 divisors, whose sum is σ = 199084434504. Its totient is φ = 199084434502.

The previous prime is 199084434499. The next prime is 199084434599. The reversal of 199084434503 is 305434480991.

It is a weak prime.

It is an emirp because it is prime and its reverse (305434480991) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 199084434503 - 2² = 199084434499 is a prime.

It is a super-2 number, since 2×199084434503² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (199084434403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99542217251 + 99542217252.

It is an arithmetic number, because the mean of its divisors is an integer number (99542217252).

Almost surely, 2^199084434503 is an apocalyptic number.

199084434503 is a deficient number, since it is larger than the sum of its proper divisors (1).

199084434503 is an equidigital number, since it uses as much as digits as its factorization.

199084434503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1866240, while the sum is 50.

The spelling of 199084434503 in words is "one hundred ninety-nine billion, eighty-four million, four hundred thirty-four thousand, five hundred three".