15843849213 has 16 divisors (see below), whose sum is σ = 21493890176. Its totient is φ = 10378549440.

The previous prime is 15843849191. The next prime is 15843849221. The reversal of 15843849213 is 31294834851.

It is not a de Polignac number, because 15843849213 - 2²⁵ = 15810294781 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15843849113) 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, 132195 + ... + 221727.

It is an arithmetic number, because the mean of its divisors is an integer number (1343368136).

Almost surely, 2^15843849213 is an apocalyptic number.

It is an amenable number.

15843849213 is a deficient number, since it is larger than the sum of its proper divisors (5650040963).

15843849213 is an equidigital number, since it uses as much as digits as its factorization.

15843849213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90564.

The product of its digits is 829440, while the sum is 48.

The spelling of 15843849213 in words is "fifteen billion, eight hundred forty-three million, eight hundred forty-nine thousand, two hundred thirteen".