4321156943 has 2 divisors, whose sum is σ = 4321156944. Its totient is φ = 4321156942.

The previous prime is 4321156927. The next prime is 4321156997. The reversal of 4321156943 is 3496511234.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4321156943 - 2⁴ = 4321156927 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4321156897 and 4321156906.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4321156913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2160578471 + 2160578472.

It is an arithmetic number, because the mean of its divisors is an integer number (2160578472).

Almost surely, 2^4321156943 is an apocalyptic number.

4321156943 is a deficient number, since it is larger than the sum of its proper divisors (1).

4321156943 is an equidigital number, since it uses as much as digits as its factorization.

4321156943 is an evil number, because the sum of its binary digits is even.

The product of its digits is 77760, while the sum is 38.

The square root of 4321156943 is about 65735.5074750321. The cubic root of 4321156943 is about 1628.7959470938.

The spelling of 4321156943 in words is "four billion, three hundred twenty-one million, one hundred fifty-six thousand, nine hundred forty-three".