199434133963 has 2 divisors, whose sum is σ = 199434133964.
Its totient is φ = 199434133962.
The previous prime is 199434133919. The next prime is 199434133979. The reversal of 199434133963 is 369331434991.
It is a strong prime.
It is an emirp because it is prime and its reverse (369331434991) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 199434133963 - 225 = 199400579531 is a prime.
It is not a weakly prime, because it can be changed into another prime (199434133993) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99717066981 + 99717066982.
It is an arithmetic number, because the mean of its divisors is an integer number (99717066982).
Almost surely, 2199434133963 is an apocalyptic number.
199434133963 is a deficient number, since it is larger than the sum of its proper divisors (1).
199434133963 is an equidigital number, since it uses as much as digits as its factorization.
199434133963 is an evil number, because the sum of its binary digits is even.
The product of its digits is 5668704, while the sum is 55.
The spelling of 199434133963 in words is "one hundred ninety-nine billion, four hundred thirty-four million, one hundred thirty-three thousand, nine hundred sixty-three".