809465059 has 16 divisors (see below), whose sum is σ = 924565824. Its totient is φ = 702979200.

The previous prime is 809465039. The next prime is 809465071. The reversal of 809465059 is 950564908.

It is a cyclic number.

It is not a de Polignac number, because 809465059 - 2²¹ = 807367907 is a prime.

It is not an unprimeable number, because it can be changed into a prime (809465039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3952 + ... + 40429.

It is an arithmetic number, because the mean of its divisors is an integer number (57785364).

Almost surely, 2^809465059 is an apocalyptic number.

809465059 is a deficient number, since it is larger than the sum of its proper divisors (115100765).

809465059 is a wasteful number, since it uses less digits than its factorization.

809465059 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44478.

The product of its (nonzero) digits is 388800, while the sum is 46.

The square root of 809465059 is about 28451.0994339410. The cubic root of 809465059 is about 931.9644984389.

It can be divided in two parts, 8094 and 65059, that added together give a triangular number (73153 = T₃₈₂).

The spelling of 809465059 in words is "eight hundred nine million, four hundred sixty-five thousand, fifty-nine".