6247042643 has 2 divisors, whose sum is σ = 6247042644. Its totient is φ = 6247042642.

The previous prime is 6247042621. The next prime is 6247042679. The reversal of 6247042643 is 3462407426.

6247042643 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6247042643 - 2⁶ = 6247042579 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6247042597 and 6247042606.

It is not a weakly prime, because it can be changed into another prime (6247042943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3123521321 + 3123521322.

It is an arithmetic number, because the mean of its divisors is an integer number (3123521322).

Almost surely, 2^6247042643 is an apocalyptic number.

6247042643 is a deficient number, since it is larger than the sum of its proper divisors (1).

6247042643 is an equidigital number, since it uses as much as digits as its factorization.

6247042643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 193536, while the sum is 38.

The square root of 6247042643 is about 79038.2353231650. The cubic root of 6247042643 is about 1841.7251702478.

The spelling of 6247042643 in words is "six billion, two hundred forty-seven million, forty-two thousand, six hundred forty-three".