349013449 has 2 divisors, whose sum is σ = 349013450. Its totient is φ = 349013448.

The previous prime is 349013447. The next prime is 349013461. The reversal of 349013449 is 944310943.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 279123849 + 69889600 = 16707^2 + 8360^2 .

It is an emirp because it is prime and its reverse (944310943) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 349013449 - 2¹ = 349013447 is a prime.

It is a super-4 number, since 4×349013449⁴ (a number of 35 digits) contains 4444 as substring.

Together with 349013447, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (349013447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174506724 + 174506725.

It is an arithmetic number, because the mean of its divisors is an integer number (174506725).

Almost surely, 2^349013449 is an apocalyptic number.

It is an amenable number.

349013449 is a deficient number, since it is larger than the sum of its proper divisors (1).

349013449 is an equidigital number, since it uses as much as digits as its factorization.

349013449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46656, while the sum is 37.

The square root of 349013449 is about 18681.9016430341. The cubic root of 349013449 is about 704.0671053726.

The spelling of 349013449 in words is "three hundred forty-nine million, thirteen thousand, four hundred forty-nine".