9564819049 has 2 divisors, whose sum is σ = 9564819050. Its totient is φ = 9564819048.

The previous prime is 9564819023. The next prime is 9564819059. The reversal of 9564819049 is 9409184659.

9564819049 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7749633024 + 1815186025 = 88032^2 + 42605^2 .

It is a cyclic number.

It is not a de Polignac number, because 9564819049 - 2²³ = 9556430441 is a prime.

It is a super-2 number, since 2×9564819049² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (9564819059) 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, 4782409524 + 4782409525.

It is an arithmetic number, because the mean of its divisors is an integer number (4782409525).

Almost surely, 2^9564819049 is an apocalyptic number.

It is an amenable number.

9564819049 is a deficient number, since it is larger than the sum of its proper divisors (1).

9564819049 is an equidigital number, since it uses as much as digits as its factorization.

9564819049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2799360, while the sum is 55.

The square root of 9564819049 is about 97799.8928884894. The cubic root of 9564819049 is about 2122.7177563706.

The spelling of 9564819049 in words is "nine billion, five hundred sixty-four million, eight hundred nineteen thousand, forty-nine".