809431119 has 12 divisors (see below), whose sum is σ = 1336203856. Its totient is φ = 462532032.

The previous prime is 809431109. The next prime is 809431153. The reversal of 809431119 is 911134908.

It is not a de Polignac number, because 809431119 - 2⁹ = 809430607 is a prime.

It is a super-2 number, since 2×809431119² = 1310357472811184322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (809431109) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6423994 + ... + 6424119.

Almost surely, 2^809431119 is an apocalyptic number.

809431119 is a deficient number, since it is larger than the sum of its proper divisors (526772737).

809431119 is a wasteful number, since it uses less digits than its factorization.

809431119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12848126 (or 12848123 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 36.

The square root of 809431119 is about 28450.5029656771. The cubic root of 809431119 is about 931.9514728336.

The spelling of 809431119 in words is "eight hundred nine million, four hundred thirty-one thousand, one hundred nineteen".