349739713 has 2 divisors, whose sum is σ = 349739714. Its totient is φ = 349739712.

The previous prime is 349739659. The next prime is 349739749. The reversal of 349739713 is 317937943.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 300571569 + 49168144 = 17337^2 + 7012^2 .

It is an emirp because it is prime and its reverse (317937943) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 349739713 - 2¹³ = 349731521 is a prime.

It is not a weakly prime, because it can be changed into another prime (349739773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174869856 + 174869857.

It is an arithmetic number, because the mean of its divisors is an integer number (174869857).

Almost surely, 2^349739713 is an apocalyptic number.

It is an amenable number.

349739713 is a deficient number, since it is larger than the sum of its proper divisors (1).

349739713 is an equidigital number, since it uses as much as digits as its factorization.

349739713 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 428652, while the sum is 46.

The square root of 349739713 is about 18701.3291773606. The cubic root of 349739713 is about 704.5551327163. Note that the first 3 decimals are identical.

The spelling of 349739713 in words is "three hundred forty-nine million, seven hundred thirty-nine thousand, seven hundred thirteen".