8004491249 has 4 divisors (see below), whose sum is σ = 8020928064. Its totient is φ = 7988054436.

The previous prime is 8004491239. The next prime is 8004491263. The reversal of 8004491249 is 9421944008.

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 a cyclic number.

It is not a de Polignac number, because 8004491249 - 2⁴ = 8004491233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8004491219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8217677 + ... + 8218650.

It is an arithmetic number, because the mean of its divisors is an integer number (2005232016).

Almost surely, 2^8004491249 is an apocalyptic number.

It is an amenable number.

8004491249 is a deficient number, since it is larger than the sum of its proper divisors (16436815).

8004491249 is a wasteful number, since it uses less digits than its factorization.

8004491249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16436814.

The product of its (nonzero) digits is 82944, while the sum is 41.

The square root of 8004491249 is about 89467.8224223659. The cubic root of 8004491249 is about 2000.3742007325.

The spelling of 8004491249 in words is "eight billion, four million, four hundred ninety-one thousand, two hundred forty-nine".