9081574949 has 2 divisors, whose sum is σ = 9081574950. Its totient is φ = 9081574948.

The previous prime is 9081574937. The next prime is 9081574979. The reversal of 9081574949 is 9494751809.

9081574949 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8792812900 + 288762049 = 93770^2 + 16993^2 .

It is a cyclic number.

It is not a de Polignac number, because 9081574949 - 2⁸ = 9081574693 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9081574894 and 9081574903.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9081574979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4540787474 + 4540787475.

It is an arithmetic number, because the mean of its divisors is an integer number (4540787475).

Almost surely, 2^9081574949 is an apocalyptic number.

It is an amenable number.

9081574949 is a deficient number, since it is larger than the sum of its proper divisors (1).

9081574949 is an equidigital number, since it uses as much as digits as its factorization.

9081574949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3265920, while the sum is 56.

The square root of 9081574949 is about 95297.2977004070. The cubic root of 9081574949 is about 2086.3494762482.

The spelling of 9081574949 in words is "nine billion, eighty-one million, five hundred seventy-four thousand, nine hundred forty-nine".