348818749 has 2 divisors, whose sum is σ = 348818750. Its totient is φ = 348818748.

The previous prime is 348818737. The next prime is 348818753. The reversal of 348818749 is 947818843.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 265461849 + 83356900 = 16293^2 + 9130^2 .

It is an emirp because it is prime and its reverse (947818843) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 348818749 - 2¹¹ = 348816701 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 348818696 and 348818705.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (348818779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174409374 + 174409375.

It is an arithmetic number, because the mean of its divisors is an integer number (174409375).

Almost surely, 2^348818749 is an apocalyptic number.

It is an amenable number.

348818749 is a deficient number, since it is larger than the sum of its proper divisors (1).

348818749 is an equidigital number, since it uses as much as digits as its factorization.

348818749 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1548288, while the sum is 52.

The square root of 348818749 is about 18676.6899904667. The cubic root of 348818749 is about 703.9361578266.

The spelling of 348818749 in words is "three hundred forty-eight million, eight hundred eighteen thousand, seven hundred forty-nine".