8545214249 has 16 divisors (see below), whose sum is σ = 10131253440. Its totient is φ = 7105008960.

The previous prime is 8545214239. The next prime is 8545214257. The reversal of 8545214249 is 9424125458.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8545214249 is a prime.

It is a super-2 number, since 2×8545214249² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (8545214239) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 258527 + ... + 289700.

It is an arithmetic number, because the mean of its divisors is an integer number (633203340).

Almost surely, 2^8545214249 is an apocalyptic number.

It is an amenable number.

8545214249 is a deficient number, since it is larger than the sum of its proper divisors (1586039191).

8545214249 is a wasteful number, since it uses less digits than its factorization.

8545214249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 548360.

The product of its digits is 460800, while the sum is 44.

The square root of 8545214249 is about 92440.3280446364. The cubic root of 8545214249 is about 2044.4397609290.

The spelling of 8545214249 in words is "eight billion, five hundred forty-five million, two hundred fourteen thousand, two hundred forty-nine".