199430199407 has 2 divisors, whose sum is σ = 199430199408. Its totient is φ = 199430199406.

The previous prime is 199430199299. The next prime is 199430199443. The reversal of 199430199407 is 704991034991.

It is a strong prime.

It is an emirp because it is prime and its reverse (704991034991) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 199430199407 - 2¹⁶ = 199430133871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (199430199707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99715099703 + 99715099704.

It is an arithmetic number, because the mean of its divisors is an integer number (99715099704).

Almost surely, 2^199430199407 is an apocalyptic number.

199430199407 is a deficient number, since it is larger than the sum of its proper divisors (1).

199430199407 is an equidigital number, since it uses as much as digits as its factorization.

199430199407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2204496, while the sum is 56.

The spelling of 199430199407 in words is "one hundred ninety-nine billion, four hundred thirty million, one hundred ninety-nine thousand, four hundred seven".