8223692449 has 4 divisors (see below), whose sum is σ = 9398505664. Its totient is φ = 7048879236.

The previous prime is 8223692447. The next prime is 8223692453. The reversal of 8223692449 is 9442963228.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 8223692449 - 2¹ = 8223692447 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8223692447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 587406597 + ... + 587406610.

It is an arithmetic number, because the mean of its divisors is an integer number (2349626416).

Almost surely, 2^8223692449 is an apocalyptic number.

It is an amenable number.

8223692449 is a deficient number, since it is larger than the sum of its proper divisors (1174813215).

8223692449 is a wasteful number, since it uses less digits than its factorization.

8223692449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1174813214.

The product of its digits is 1492992, while the sum is 49.

The square root of 8223692449 is about 90684.5766875492. The cubic root of 8223692449 is about 2018.4699429525.

The spelling of 8223692449 in words is "eight billion, two hundred twenty-three million, six hundred ninety-two thousand, four hundred forty-nine".