349259149 has 2 divisors, whose sum is σ = 349259150. Its totient is φ = 349259148.

The previous prime is 349259143. The next prime is 349259161. The reversal of 349259149 is 941952943.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 308529225 + 40729924 = 17565^2 + 6382^2 .

It is an emirp because it is prime and its reverse (941952943) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 349259149 - 2¹⁹ = 348734861 is a prime.

It is equal to p_18765685 and since 349259149 and 18765685 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 349259099 and 349259108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (349259143) 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, 174629574 + 174629575.

It is an arithmetic number, because the mean of its divisors is an integer number (174629575).

Almost surely, 2^349259149 is an apocalyptic number.

It is an amenable number.

349259149 is a deficient number, since it is larger than the sum of its proper divisors (1).

349259149 is an equidigital number, since it uses as much as digits as its factorization.

349259149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 349920, while the sum is 46.

The square root of 349259149 is about 18688.4763691426. The cubic root of 349259149 is about 704.2322840214.

The spelling of 349259149 in words is "three hundred forty-nine million, two hundred fifty-nine thousand, one hundred forty-nine".