209430041599 has 2 divisors, whose sum is σ = 209430041600. Its totient is φ = 209430041598.

The previous prime is 209430041549. The next prime is 209430041641. The reversal of 209430041599 is 995140034902.

209430041599 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 209430041599 - 2¹⁷ = 209429910527 is a prime.

It is a super-3 number, since 3×209430041599³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (209430041549) 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, 104715020799 + 104715020800.

It is an arithmetic number, because the mean of its divisors is an integer number (104715020800).

Almost surely, 2^209430041599 is an apocalyptic number.

209430041599 is a deficient number, since it is larger than the sum of its proper divisors (1).

209430041599 is an equidigital number, since it uses as much as digits as its factorization.

209430041599 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 349920, while the sum is 46.

The spelling of 209430041599 in words is "two hundred nine billion, four hundred thirty million, forty-one thousand, five hundred ninety-nine".