3448673281 has 4 divisors (see below), whose sum is σ = 3449127892. Its totient is φ = 3448218672.

The previous prime is 3448673279. The next prime is 3448673321. The reversal of 3448673281 is 1823768443.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2546211600 + 902461681 = 50460^2 + 30041^2 .

It is a cyclic number.

It is not a de Polignac number, because 3448673281 - 2¹ = 3448673279 is a prime.

It is a super-2 number, since 2×3448673281² = 23786694798166609922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3448673681) 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 in 3 ways as a sum of consecutive naturals, for example, 215730 + ... + 231163.

It is an arithmetic number, because the mean of its divisors is an integer number (862281973).

Almost surely, 2^3448673281 is an apocalyptic number.

It is an amenable number.

3448673281 is a deficient number, since it is larger than the sum of its proper divisors (454611).

3448673281 is an equidigital number, since it uses as much as digits as its factorization.

3448673281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454610.

The product of its digits is 774144, while the sum is 46.

The square root of 3448673281 is about 58725.4057542389. The cubic root of 3448673281 is about 1510.8360910672.

The spelling of 3448673281 in words is "three billion, four hundred forty-eight million, six hundred seventy-three thousand, two hundred eighty-one".