2100846243 has 16 divisors (see below), whose sum is σ = 2934314496. Its totient is φ = 1334446080.

The previous prime is 2100846233. The next prime is 2100846257. The reversal of 2100846243 is 3426480012.

It is not a de Polignac number, because 2100846243 - 2¹² = 2100842147 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2100846243.

It is not an unprimeable number, because it can be changed into a prime (2100846203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41503 + ... + 76968.

It is an arithmetic number, because the mean of its divisors is an integer number (183394656).

Almost surely, 2^2100846243 is an apocalyptic number.

2100846243 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2100846243 is a deficient number, since it is larger than the sum of its proper divisors (833468253).

2100846243 is a wasteful number, since it uses less digits than its factorization.

2100846243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118754.

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 2100846243 is about 45834.9892876610. The cubic root of 2100846243 is about 1280.7511547688.

The spelling of 2100846243 in words is "two billion, one hundred million, eight hundred forty-six thousand, two hundred forty-three".