4489740181 has 2 divisors, whose sum is σ = 4489740182. Its totient is φ = 4489740180.

The previous prime is 4489740131. The next prime is 4489740253. The reversal of 4489740181 is 1810479844.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3310161156 + 1179579025 = 57534^2 + 34345^2 .

It is a cyclic number.

It is not a de Polignac number, because 4489740181 - 2⁷ = 4489740053 is a prime.

It is a super-2 number, since 2×4489740181² = 40315533785771825522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4489740121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2244870090 + 2244870091.

It is an arithmetic number, because the mean of its divisors is an integer number (2244870091).

Almost surely, 2^4489740181 is an apocalyptic number.

It is an amenable number.

4489740181 is a deficient number, since it is larger than the sum of its proper divisors (1).

4489740181 is an equidigital number, since it uses as much as digits as its factorization.

4489740181 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 258048, while the sum is 46.

The square root of 4489740181 is about 67005.5235111256. The cubic root of 4489740181 is about 1649.7079594553.

It can be divided in two parts, 44897 and 40181, that added together give a triangular number (85078 = T₄₁₂).

The spelling of 4489740181 in words is "four billion, four hundred eighty-nine million, seven hundred forty thousand, one hundred eighty-one".