10091847449 has 2 divisors, whose sum is σ = 10091847450. Its totient is φ = 10091847448.

The previous prime is 10091847433. The next prime is 10091847497. The reversal of 10091847449 is 94474819001.

10091847449 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., 9651687049 + 440160400 = 98243^2 + 20980^2 .

It is an emirp because it is prime and its reverse (94474819001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10091847449 - 2⁴ = 10091847433 is a prime.

It is not a weakly prime, because it can be changed into another prime (10091841449) 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, 5045923724 + 5045923725.

It is an arithmetic number, because the mean of its divisors is an integer number (5045923725).

Almost surely, 2^10091847449 is an apocalyptic number.

It is an amenable number.

10091847449 is a deficient number, since it is larger than the sum of its proper divisors (1).

10091847449 is an equidigital number, since it uses as much as digits as its factorization.

10091847449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 290304, while the sum is 47.

The spelling of 10091847449 in words is "ten billion, ninety-one million, eight hundred forty-seven thousand, four hundred forty-nine".