809140700053503 has 48 divisors (see below), whose sum is σ = 1185322418280000. Its totient is φ = 531817692747264.

The previous prime is 809140700053339. The next prime is 809140700053541. The reversal of 809140700053503 is 305350007041908.

809140700053503 is a `hidden beast` number, since 8 + 0 + 9 + 1 + 40 + 70 + 0 + 0 + 535 + 0 + 3 = 666.

It is a Cunningham number, because it is equal to 93184³-1.

It is a de Polignac number, because none of the positive numbers 2^k-809140700053503 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (809140700033503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (43) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12239460813 + ... + 12239526921.

It is an arithmetic number, because the mean of its divisors is an integer number (24694217047500).

Almost surely, 2^{809140700053503} is an apocalyptic number.

809140700053503 is a deficient number, since it is larger than the sum of its proper divisors (376181718226497).

809140700053503 is a wasteful number, since it uses less digits than its factorization.

809140700053503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110336 (or 110333 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 45.

The spelling of 809140700053503 in words is "eight hundred nine trillion, one hundred forty billion, seven hundred million, fifty-three thousand, five hundred three".