810299343803 has 16 divisors (see below), whose sum is σ = 823409952480. Its totient is φ = 797245473024.

The previous prime is 810299343787. The next prime is 810299343877. The reversal of 810299343803 is 308343992018.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 810299343803 - 2⁴ = 810299343787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (810299343703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54488453 + ... + 54503321.

It is an arithmetic number, because the mean of its divisors is an integer number (51463122030).

Almost surely, 2^810299343803 is an apocalyptic number.

810299343803 is a deficient number, since it is larger than the sum of its proper divisors (13110608677).

810299343803 is a wasteful number, since it uses less digits than its factorization.

810299343803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16718.

The product of its (nonzero) digits is 1119744, while the sum is 50.

The spelling of 810299343803 in words is "eight hundred ten billion, two hundred ninety-nine million, three hundred forty-three thousand, eight hundred three".