8864742449 has 16 divisors (see below), whose sum is σ = 8993799360. Its totient is φ = 8736984000.

The previous prime is 8864742437. The next prime is 8864742457. The reversal of 8864742449 is 9442474688.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 8864742449 - 2⁴ = 8864742433 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8864742394 and 8864742403.

It is not an unprimeable number, because it can be changed into a prime (8864742499) 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, 15914879 + ... + 15915435.

It is an arithmetic number, because the mean of its divisors is an integer number (562112460).

Almost surely, 2^8864742449 is an apocalyptic number.

It is an amenable number.

8864742449 is a deficient number, since it is larger than the sum of its proper divisors (129056911).

8864742449 is a wasteful number, since it uses less digits than its factorization.

8864742449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1360.

The product of its digits is 12386304, while the sum is 56.

The square root of 8864742449 is about 94152.7612393816. The cubic root of 8864742449 is about 2069.6109212175.

The spelling of 8864742449 in words is "eight billion, eight hundred sixty-four million, seven hundred forty-two thousand, four hundred forty-nine".