3489944281 has 2 divisors, whose sum is σ = 3489944282. Its totient is φ = 3489944280.

The previous prime is 3489944219. The next prime is 3489944299. The reversal of 3489944281 is 1824499843.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2705664256 + 784280025 = 52016^2 + 28005^2 .

It is a cyclic number.

It is not a de Polignac number, because 3489944281 - 2¹⁹ = 3489419993 is a prime.

It is a super-2 number, since 2×3489944281² = 24359422168969213922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3489945281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1744972140 + 1744972141.

It is an arithmetic number, because the mean of its divisors is an integer number (1744972141).

Almost surely, 2^3489944281 is an apocalyptic number.

It is an amenable number.

3489944281 is a deficient number, since it is larger than the sum of its proper divisors (1).

3489944281 is an equidigital number, since it uses as much as digits as its factorization.

3489944281 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1990656, while the sum is 52.

The square root of 3489944281 is about 59075.7503634105. The cubic root of 3489944281 is about 1516.8390394971.

The spelling of 3489944281 in words is "three billion, four hundred eighty-nine million, nine hundred forty-four thousand, two hundred eighty-one".