8689272449 has 40 divisors (see below), whose sum is σ = 10454592960. Its totient is φ = 7177816800.

The previous prime is 8689272421. The next prime is 8689272491. The reversal of 8689272449 is 9442729868.

It is not a de Polignac number, because 8689272449 - 2¹² = 8689268353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8689272049) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 13513322 + ... + 13513964.

It is an arithmetic number, because the mean of its divisors is an integer number (261364824).

Almost surely, 2^8689272449 is an apocalyptic number.

It is an amenable number.

8689272449 is a deficient number, since it is larger than the sum of its proper divisors (1765320511).

8689272449 is an equidigital number, since it uses as much as digits as its factorization.

8689272449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 771 (or 738 counting only the distinct ones).

The product of its digits is 13934592, while the sum is 59.

The square root of 8689272449 is about 93216.2670835944. The cubic root of 8689272449 is about 2055.8644251199.

The spelling of 8689272449 in words is "eight billion, six hundred eighty-nine million, two hundred seventy-two thousand, four hundred forty-nine".