349787116219 has 2 divisors, whose sum is σ = 349787116220. Its totient is φ = 349787116218.

The previous prime is 349787116169. The next prime is 349787116307. The reversal of 349787116219 is 912611787943.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 349787116219 - 2⁹ = 349787115707 is a prime.

It is a super-2 number, since 2×349787116219² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (349787416219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174893558109 + 174893558110.

It is an arithmetic number, because the mean of its divisors is an integer number (174893558110).

Almost surely, 2^349787116219 is an apocalyptic number.

349787116219 is a deficient number, since it is larger than the sum of its proper divisors (1).

349787116219 is an equidigital number, since it uses as much as digits as its factorization.

349787116219 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4572288, while the sum is 58.

The spelling of 349787116219 in words is "three hundred forty-nine billion, seven hundred eighty-seven million, one hundred sixteen thousand, two hundred nineteen".