809140700053506 has 16 divisors (see below), whose sum is σ = 1619795227435200. Its totient is φ = 269461262129808.

The previous prime is 809140700053339. The next prime is 809140700053541. The reversal of 809140700053506 is 605350007041908.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63076131726 + ... + 63076144553.

It is an arithmetic number, because the mean of its divisors is an integer number (101237201714700).

Almost surely, 2^{809140700053506} is an apocalyptic number.

809140700053506 is an abundant number, since it is smaller than the sum of its proper divisors (810654527381694).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

809140700053506 is a wasteful number, since it uses less digits than its factorization.

809140700053506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126152277353.

The product of its (nonzero) digits is 907200, while the sum is 48.

The spelling of 809140700053506 in words is "eight hundred nine trillion, one hundred forty billion, seven hundred million, fifty-three thousand, five hundred six".