8000249009 has 4 divisors (see below), whose sum is σ = 8011376640. Its totient is φ = 7989121380.

The previous prime is 8000248951. The next prime is 8000249017. The reversal of 8000249009 is 9009420008.

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 8000249009 - 2¹² = 8000244913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8000249909) 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, 5562737 + ... + 5564174.

It is an arithmetic number, because the mean of its divisors is an integer number (2002844160).

Almost surely, 2^8000249009 is an apocalyptic number.

It is an amenable number.

8000249009 is a deficient number, since it is larger than the sum of its proper divisors (11127631).

8000249009 is a wasteful number, since it uses less digits than its factorization.

8000249009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11127630.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 8000249009 is about 89444.1110917874. Note that the first 3 decimals coincide. The cubic root of 8000249009 is about 2000.0207505347.

The spelling of 8000249009 in words is "eight billion, two hundred forty-nine thousand, nine".