809006516434 has 8 divisors (see below), whose sum is σ = 1214251080588. Its totient is φ = 404256156240.

The previous prime is 809006516413. The next prime is 809006516459. The reversal of 809006516434 is 434615600908.

809006516434 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 706603316409 + 102403200025 = 840597^2 + 320005^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123546897 + ... + 123553444.

Almost surely, 2^809006516434 is an apocalyptic number.

809006516434 is a deficient number, since it is larger than the sum of its proper divisors (405244564154).

809006516434 is a wasteful number, since it uses less digits than its factorization.

809006516434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247101980.

The product of its (nonzero) digits is 622080, while the sum is 46.

The spelling of 809006516434 in words is "eight hundred nine billion, six million, five hundred sixteen thousand, four hundred thirty-four".