199210009967 has 2 divisors, whose sum is σ = 199210009968. Its totient is φ = 199210009966.

The previous prime is 199210009919. The next prime is 199210009993. The reversal of 199210009967 is 769900012991.

It is a strong prime.

It is an emirp because it is prime and its reverse (769900012991) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 199210009967 - 2¹⁴ = 199209993583 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (199210009067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99605004983 + 99605004984.

It is an arithmetic number, because the mean of its divisors is an integer number (99605004984).

Almost surely, 2^199210009967 is an apocalyptic number.

199210009967 is a deficient number, since it is larger than the sum of its proper divisors (1).

199210009967 is an equidigital number, since it uses as much as digits as its factorization.

199210009967 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 551124, while the sum is 53.

The spelling of 199210009967 in words is "one hundred ninety-nine billion, two hundred ten million, nine thousand, nine hundred sixty-seven".