810268403 has 8 divisors (see below), whose sum is σ = 966283008. Its totient is φ = 664319304.

The previous prime is 810268397. The next prime is 810268441. The reversal of 810268403 is 304862018.

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

It is not a de Polignac number, because 810268403 - 2⁴ = 810268387 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 810268403.

It is not an unprimeable number, because it can be changed into a prime (810268103) 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 7 ways as a sum of consecutive naturals, for example, 2516201 + ... + 2516522.

It is an arithmetic number, because the mean of its divisors is an integer number (120785376).

Almost surely, 2^810268403 is an apocalyptic number.

810268403 is a deficient number, since it is larger than the sum of its proper divisors (156014605).

810268403 is a wasteful number, since it uses less digits than its factorization.

810268403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5032753.

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 810268403 is about 28465.2139110178. The cubic root of 810268403 is about 932.2727022091.

The spelling of 810268403 in words is "eight hundred ten million, two hundred sixty-eight thousand, four hundred three".