800042861403 has 10 divisors (see below), whose sum is σ = 1195125756044. Its totient is φ = 533361907548.

The previous prime is 800042861389. The next prime is 800042861459. The reversal of 800042861403 is 304168240008.

It is not a de Polignac number, because 800042861403 - 2¹² = 800042857307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (800042861203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 4938536101 + ... + 4938536262.

Almost surely, 2^800042861403 is an apocalyptic number.

800042861403 is a deficient number, since it is larger than the sum of its proper divisors (395082894641).

800042861403 is an equidigital number, since it uses as much as digits as its factorization.

800042861403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9877072375 (or 9877072366 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The spelling of 800042861403 in words is "eight hundred billion, forty-two million, eight hundred sixty-one thousand, four hundred three".