6247339243 has 2 divisors, whose sum is σ = 6247339244. Its totient is φ = 6247339242.

The previous prime is 6247339211. The next prime is 6247339249. The reversal of 6247339243 is 3429337426.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6247339243 - 2⁵ = 6247339211 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6247339243.

It is not a weakly prime, because it can be changed into another prime (6247339249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3123669621 + 3123669622.

It is an arithmetic number, because the mean of its divisors is an integer number (3123669622).

Almost surely, 2^6247339243 is an apocalyptic number.

6247339243 is a deficient number, since it is larger than the sum of its proper divisors (1).

6247339243 is an equidigital number, since it uses as much as digits as its factorization.

6247339243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 653184, while the sum is 43.

The square root of 6247339243 is about 79040.1116079678. Note that the first 3 decimals coincide. The cubic root of 6247339243 is about 1841.7543172150.

The spelling of 6247339243 in words is "six billion, two hundred forty-seven million, three hundred thirty-nine thousand, two hundred forty-three".