349215199 has 2 divisors, whose sum is σ = 349215200. Its totient is φ = 349215198.

The previous prime is 349215197. The next prime is 349215221. The reversal of 349215199 is 991512943.

It is a weak prime.

It is an emirp because it is prime and its reverse (991512943) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 349215199 - 2¹ = 349215197 is a prime.

Together with 349215197, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (349215197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174607599 + 174607600.

It is an arithmetic number, because the mean of its divisors is an integer number (174607600).

Almost surely, 2^349215199 is an apocalyptic number.

349215199 is a deficient number, since it is larger than the sum of its proper divisors (1).

349215199 is an equidigital number, since it uses as much as digits as its factorization.

349215199 is an evil number, because the sum of its binary digits is even.

The product of its digits is 87480, while the sum is 43.

The square root of 349215199 is about 18687.3004738512. The cubic root of 349215199 is about 704.2027431038.

The spelling of 349215199 in words is "three hundred forty-nine million, two hundred fifteen thousand, one hundred ninety-nine".