349412099 has 2 divisors, whose sum is σ = 349412100. Its totient is φ = 349412098.

The previous prime is 349412081. The next prime is 349412111. The reversal of 349412099 is 990214943.

It is a strong prime.

It is an emirp because it is prime and its reverse (990214943) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-349412099 is a prime.

It is not a weakly prime, because it can be changed into another prime (349412009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174706049 + 174706050.

It is an arithmetic number, because the mean of its divisors is an integer number (174706050).

Almost surely, 2^349412099 is an apocalyptic number.

349412099 is a deficient number, since it is larger than the sum of its proper divisors (1).

349412099 is an equidigital number, since it uses as much as digits as its factorization.

349412099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69984, while the sum is 41.

The square root of 349412099 is about 18692.5680151230. The cubic root of 349412099 is about 704.3350697882.

The spelling of 349412099 in words is "three hundred forty-nine million, four hundred twelve thousand, ninety-nine".