809042371199 has 8 divisors (see below), whose sum is σ = 818018375328. Its totient is φ = 800115551200.

The previous prime is 809042371061. The next prime is 809042371237. The reversal of 809042371199 is 991173240908.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 809042371199 - 2⁸ = 809042370943 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 809042371199.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (809042371499) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12262952 + ... + 12328749.

It is an arithmetic number, because the mean of its divisors is an integer number (102252296916).

Almost surely, 2^809042371199 is an apocalyptic number.

809042371199 is a deficient number, since it is larger than the sum of its proper divisors (8976004129).

809042371199 is a wasteful number, since it uses less digits than its factorization.

809042371199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24592065.

The product of its (nonzero) digits is 979776, while the sum is 53.

The spelling of 809042371199 in words is "eight hundred nine billion, forty-two million, three hundred seventy-one thousand, one hundred ninety-nine".