7021339243 has 2 divisors, whose sum is σ = 7021339244. Its totient is φ = 7021339242.

The previous prime is 7021339223. The next prime is 7021339253. The reversal of 7021339243 is 3429331207.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7021339243 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7021339199 and 7021339208.

It is not a weakly prime, because it can be changed into another prime (7021339223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3510669621 + 3510669622.

It is an arithmetic number, because the mean of its divisors is an integer number (3510669622).

Almost surely, 2^7021339243 is an apocalyptic number.

7021339243 is a deficient number, since it is larger than the sum of its proper divisors (1).

7021339243 is an equidigital number, since it uses as much as digits as its factorization.

7021339243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 34.

The square root of 7021339243 is about 83793.4319800782. The cubic root of 7021339243 is about 1914.8730443688.

The spelling of 7021339243 in words is "seven billion, twenty-one million, three hundred thirty-nine thousand, two hundred forty-three".