349943611 has 2 divisors, whose sum is σ = 349943612. Its totient is φ = 349943610.

The previous prime is 349943599. The next prime is 349943647. The reversal of 349943611 is 116349943.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 349943611 - 2⁵ = 349943579 is a prime.

It is not a weakly prime, because it can be changed into another prime (349943681) 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, 174971805 + 174971806.

It is an arithmetic number, because the mean of its divisors is an integer number (174971806).

Almost surely, 2^349943611 is an apocalyptic number.

349943611 is a deficient number, since it is larger than the sum of its proper divisors (1).

349943611 is an equidigital number, since it uses as much as digits as its factorization.

349943611 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69984, while the sum is 40.

The square root of 349943611 is about 18706.7798137467. The cubic root of 349943611 is about 704.6920244949.

The spelling of 349943611 in words is "three hundred forty-nine million, nine hundred forty-three thousand, six hundred eleven".