4085448949 has 2 divisors, whose sum is σ = 4085448950. Its totient is φ = 4085448948.

The previous prime is 4085448937. The next prime is 4085449051. The reversal of 4085448949 is 9498445804.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2266426449 + 1819022500 = 47607^2 + 42650^2 .

It is a cyclic number.

It is not a de Polignac number, because 4085448949 - 2¹¹ = 4085446901 is a prime.

It is a super-2 number, since 2×4085448949² = 33381786229770409202, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4085448949.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4085448929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2042724474 + 2042724475.

It is an arithmetic number, because the mean of its divisors is an integer number (2042724475).

Almost surely, 2^4085448949 is an apocalyptic number.

It is an amenable number.

4085448949 is a deficient number, since it is larger than the sum of its proper divisors (1).

4085448949 is an equidigital number, since it uses as much as digits as its factorization.

4085448949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6635520, while the sum is 55.

The square root of 4085448949 is about 63917.5167618392. The cubic root of 4085448949 is about 1598.6249839046.

The spelling of 4085448949 in words is "four billion, eighty-five million, four hundred forty-eight thousand, nine hundred forty-nine".