2443891343 has 4 divisors (see below), whose sum is σ = 2447704608. Its totient is φ = 2440078080.

The previous prime is 2443891337. The next prime is 2443891349. The reversal of 2443891343 is 3431983442.

2443891343 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3431983442 = 2 ⋅1715991721.

It is an interprime number because it is at equal distance from previous prime (2443891337) and next prime (2443891349).

It is a cyclic number.

It is not a de Polignac number, because 2443891343 - 2⁴ = 2443891327 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 2443891343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2443891349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1905671 + ... + 1906952.

It is an arithmetic number, because the mean of its divisors is an integer number (611926152).

Almost surely, 2^2443891343 is an apocalyptic number.

2443891343 is a deficient number, since it is larger than the sum of its proper divisors (3813265).

2443891343 is an equidigital number, since it uses as much as digits as its factorization.

2443891343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3813264.

The product of its digits is 248832, while the sum is 41.

The square root of 2443891343 is about 49435.7294170927. The cubic root of 2443891343 is about 1346.9783984968.

The spelling of 2443891343 in words is "two billion, four hundred forty-three million, eight hundred ninety-one thousand, three hundred forty-three".