349716629 has 2 divisors, whose sum is σ = 349716630. Its totient is φ = 349716628.

The previous prime is 349716569. The next prime is 349716643. The reversal of 349716629 is 926617943.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 214622500 + 135094129 = 14650^2 + 11623^2 .

It is an emirp because it is prime and its reverse (926617943) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 349716629 - 2¹² = 349712533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (349716649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174858314 + 174858315.

It is an arithmetic number, because the mean of its divisors is an integer number (174858315).

Almost surely, 2^349716629 is an apocalyptic number.

It is an amenable number.

349716629 is a deficient number, since it is larger than the sum of its proper divisors (1).

349716629 is an equidigital number, since it uses as much as digits as its factorization.

349716629 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 489888, while the sum is 47.

The square root of 349716629 is about 18700.7119917933. The cubic root of 349716629 is about 704.5396313707.

The spelling of 349716629 in words is "three hundred forty-nine million, seven hundred sixteen thousand, six hundred twenty-nine".