4320989243 has 2 divisors, whose sum is σ = 4320989244. Its totient is φ = 4320989242.

The previous prime is 4320989237. The next prime is 4320989311. The reversal of 4320989243 is 3429890234.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4320989243 - 2¹⁶ = 4320923707 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4320989194 and 4320989203.

It is not a weakly prime, because it can be changed into another prime (4320989143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2160494621 + 2160494622.

It is an arithmetic number, because the mean of its divisors is an integer number (2160494622).

Almost surely, 2^4320989243 is an apocalyptic number.

4320989243 is a deficient number, since it is larger than the sum of its proper divisors (1).

4320989243 is an equidigital number, since it uses as much as digits as its factorization.

4320989243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 373248, while the sum is 44.

The square root of 4320989243 is about 65734.2318963263. The cubic root of 4320989243 is about 1628.7748761462.

The spelling of 4320989243 in words is "four billion, three hundred twenty million, nine hundred eighty-nine thousand, two hundred forty-three".