4818661847 has 2 divisors, whose sum is σ = 4818661848. Its totient is φ = 4818661846.

The previous prime is 4818661843. The next prime is 4818661853. The reversal of 4818661847 is 7481668184.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4818661847 - 2² = 4818661843 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4818661843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2409330923 + 2409330924.

It is an arithmetic number, because the mean of its divisors is an integer number (2409330924).

Almost surely, 2^4818661847 is an apocalyptic number.

4818661847 is a deficient number, since it is larger than the sum of its proper divisors (1).

4818661847 is an equidigital number, since it uses as much as digits as its factorization.

4818661847 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2064384, while the sum is 53.

The square root of 4818661847 is about 69416.5819311208. The cubic root of 4818661847 is about 1689.0486162771.

The spelling of 4818661847 in words is "four billion, eight hundred eighteen million, six hundred sixty-one thousand, eight hundred forty-seven".