4248641647 has 2 divisors, whose sum is σ = 4248641648. Its totient is φ = 4248641646.

The previous prime is 4248641629. The next prime is 4248641651. The reversal of 4248641647 is 7461468424.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4248641647 - 2¹¹ = 4248639599 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4248641597 and 4248641606.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4248641347) 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, 2124320823 + 2124320824.

It is an arithmetic number, because the mean of its divisors is an integer number (2124320824).

Almost surely, 2^4248641647 is an apocalyptic number.

4248641647 is a deficient number, since it is larger than the sum of its proper divisors (1).

4248641647 is an equidigital number, since it uses as much as digits as its factorization.

4248641647 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1032192, while the sum is 46.

The square root of 4248641647 is about 65181.6051275204. The cubic root of 4248641647 is about 1619.6333121950.

The spelling of 4248641647 in words is "four billion, two hundred forty-eight million, six hundred forty-one thousand, six hundred forty-seven".