803998027009 has 4 divisors (see below), whose sum is σ = 805609246000. Its totient is φ = 802386808020.

The previous prime is 803998027003. The next prime is 803998027031. The reversal of 803998027009 is 900720899308.

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 803998027009 - 2²³ = 803989638401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (803998027003) 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, 805608747 + ... + 805609744.

It is an arithmetic number, because the mean of its divisors is an integer number (201402311500).

Almost surely, 2^803998027009 is an apocalyptic number.

It is an amenable number.

803998027009 is a deficient number, since it is larger than the sum of its proper divisors (1611218991).

803998027009 is a wasteful number, since it uses less digits than its factorization.

803998027009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1611218990.

The product of its (nonzero) digits is 1959552, while the sum is 55.

The spelling of 803998027009 in words is "eight hundred three billion, nine hundred ninety-eight million, twenty-seven thousand, nine".