8549447499 has 48 divisors (see below), whose sum is σ = 13445652480. Its totient is φ = 5214896640.

The previous prime is 8549447483. The next prime is 8549447519. The reversal of 8549447499 is 9947449458.

8549447499 is a `hidden beast` number, since 8 + 54 + 94 + 4 + 7 + 499 = 666.

It is not a de Polignac number, because 8549447499 - 2⁴ = 8549447483 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8549447449) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3216379 + ... + 3219035.

It is an arithmetic number, because the mean of its divisors is an integer number (280117760).

Almost surely, 2^8549447499 is an apocalyptic number.

8549447499 is a deficient number, since it is larger than the sum of its proper divisors (4896204981).

8549447499 is a wasteful number, since it uses less digits than its factorization.

8549447499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3320 (or 3317 counting only the distinct ones).

The product of its digits is 52254720, while the sum is 63.

The square root of 8549447499 is about 92463.2224130221. Note that the first 3 decimals coincide. The cubic root of 8549447499 is about 2044.7773064294. Note that the first 3 decimals are identical.

The spelling of 8549447499 in words is "eight billion, five hundred forty-nine million, four hundred forty-seven thousand, four hundred ninety-nine".