8399671049 has 24 divisors (see below), whose sum is σ = 11172357504. Its totient is φ = 6160176000.

The previous prime is 8399671003. The next prime is 8399671057. The reversal of 8399671049 is 9401769938.

It is a de Polignac number, because none of the positive numbers 2^k-8399671049 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8399670985 and 8399671003.

It is not an unprimeable number, because it can be changed into a prime (8399671549) 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 23 ways as a sum of consecutive naturals, for example, 277277 + ... + 306074.

It is an arithmetic number, because the mean of its divisors is an integer number (465514896).

Almost surely, 2^8399671049 is an apocalyptic number.

It is an amenable number.

8399671049 is a deficient number, since it is larger than the sum of its proper divisors (2772686455).

8399671049 is a wasteful number, since it uses less digits than its factorization.

8399671049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 583397 (or 583386 counting only the distinct ones).

The product of its (nonzero) digits is 2939328, while the sum is 56.

The square root of 8399671049 is about 91649.7193067169. The cubic root of 8399671049 is about 2032.7661779978.

The spelling of 8399671049 in words is "eight billion, three hundred ninety-nine million, six hundred seventy-one thousand, forty-nine".