4819806647 has 2 divisors, whose sum is σ = 4819806648. Its totient is φ = 4819806646.

The previous prime is 4819806637. The next prime is 4819806679. The reversal of 4819806647 is 7466089184.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4819806647 - 2⁴ = 4819806631 is a prime.

It is a super-2 number, since 2×4819806647² = 46461072228930765218, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4819806637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2409903323 + 2409903324.

It is an arithmetic number, because the mean of its divisors is an integer number (2409903324).

Almost surely, 2^4819806647 is an apocalyptic number.

4819806647 is a deficient number, since it is larger than the sum of its proper divisors (1).

4819806647 is an equidigital number, since it uses as much as digits as its factorization.

4819806647 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2322432, while the sum is 53.

The square root of 4819806647 is about 69424.8273098320. The cubic root of 4819806647 is about 1689.1823650100.

The spelling of 4819806647 in words is "four billion, eight hundred nineteen million, eight hundred six thousand, six hundred forty-seven".