10549243449 has 24 divisors (see below), whose sum is σ = 15706053792. Its totient is φ = 6819099840.

The previous prime is 10549243447. The next prime is 10549243451. The reversal of 10549243449 is 94434294501.

10549243449 is a `hidden beast` number, since 10 + 549 + 24 + 34 + 49 = 666.

10549243449 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (10549243447) and next prime (10549243451).

It is not a de Polignac number, because 10549243449 - 2¹ = 10549243447 is a prime.

It is a super-2 number, since 2×10549243449² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10549243447) 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 in 23 ways as a sum of consecutive naturals, for example, 46467 + ... + 152504.

It is an arithmetic number, because the mean of its divisors is an integer number (654418908).

Almost surely, 2^10549243449 is an apocalyptic number.

It is an amenable number.

10549243449 is a deficient number, since it is larger than the sum of its proper divisors (5156810343).

10549243449 is a wasteful number, since it uses less digits than its factorization.

10549243449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199157 (or 199154 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 45.

The spelling of 10549243449 in words is "ten billion, five hundred forty-nine million, two hundred forty-three thousand, four hundred forty-nine".