8497420449 has 16 divisors (see below), whose sum is σ = 13511427072. Its totient is φ = 4644552528.

The previous prime is 8497420439. The next prime is 8497420489. The reversal of 8497420449 is 9440247948.

8497420449 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8497420449 - 2⁴ = 8497420433 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8497420439) 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, 8796019 + ... + 8796984.

It is an arithmetic number, because the mean of its divisors is an integer number (844464192).

Almost surely, 2^8497420449 is an apocalyptic number.

It is an amenable number.

8497420449 is a deficient number, since it is larger than the sum of its proper divisors (5014006623).

8497420449 is a wasteful number, since it uses less digits than its factorization.

8497420449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17593036.

The product of its (nonzero) digits is 2322432, while the sum is 51.

The square root of 8497420449 is about 92181.4539319054. The cubic root of 8497420449 is about 2040.6210822770.

The spelling of 8497420449 in words is "eight billion, four hundred ninety-seven million, four hundred twenty thousand, four hundred forty-nine".