349391213333 has 2 divisors, whose sum is σ = 349391213334. Its totient is φ = 349391213332.

The previous prime is 349391213273. The next prime is 349391213357. The reversal of 349391213333 is 333312193943.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 279791276209 + 69599937124 = 528953^2 + 263818^2 .

It is a cyclic number.

It is not a de Polignac number, because 349391213333 - 2⁸ = 349391213077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (349391213233) 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, 174695606666 + 174695606667.

It is an arithmetic number, because the mean of its divisors is an integer number (174695606667).

Almost surely, 2^349391213333 is an apocalyptic number.

It is an amenable number.

349391213333 is a deficient number, since it is larger than the sum of its proper divisors (1).

349391213333 is an equidigital number, since it uses as much as digits as its factorization.

349391213333 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 472392, while the sum is 44.

The spelling of 349391213333 in words is "three hundred forty-nine billion, three hundred ninety-one million, two hundred thirteen thousand, three hundred thirty-three".