800100001019 has 24 divisors (see below), whose sum is σ = 892116192576. Its totient is φ = 711637434000.

The previous prime is 800100001013. The next prime is 800100001027. The reversal of 800100001019 is 910100001008.

It is not a de Polignac number, because 800100001019 - 2¹⁶ = 800099935483 is a prime.

It is a super-2 number, since 2×800100001019² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (800100001013) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 121759004 + ... + 121765574.

It is an arithmetic number, because the mean of its divisors is an integer number (37171508024).

Almost surely, 2^800100001019 is an apocalyptic number.

800100001019 is a deficient number, since it is larger than the sum of its proper divisors (92016191557).

800100001019 is a wasteful number, since it uses less digits than its factorization.

800100001019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11687 (or 11640 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 20.

The spelling of 800100001019 in words is "eight hundred billion, one hundred million, one thousand, nineteen".