6247042679 has 2 divisors, whose sum is σ = 6247042680. Its totient is φ = 6247042678.

The previous prime is 6247042643. The next prime is 6247042723. The reversal of 6247042679 is 9762407426.

It is a happy number.

6247042679 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 a de Polignac number, because none of the positive numbers 2^k-6247042679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6247042079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3123521339 + 3123521340.

It is an arithmetic number, because the mean of its divisors is an integer number (3123521340).

Almost surely, 2^6247042679 is an apocalyptic number.

6247042679 is a deficient number, since it is larger than the sum of its proper divisors (1).

6247042679 is an equidigital number, since it uses as much as digits as its factorization.

6247042679 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1016064, while the sum is 47.

The square root of 6247042679 is about 79038.2355509028. The cubic root of 6247042679 is about 1841.7251737856.

The spelling of 6247042679 in words is "six billion, two hundred forty-seven million, forty-two thousand, six hundred seventy-nine".