5228643647 has 2 divisors, whose sum is σ = 5228643648. Its totient is φ = 5228643646.

The previous prime is 5228643643. The next prime is 5228643683. The reversal of 5228643647 is 7463468225.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5228643647 - 2² = 5228643643 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5228643643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2614321823 + 2614321824.

It is an arithmetic number, because the mean of its divisors is an integer number (2614321824).

Almost surely, 2^5228643647 is an apocalyptic number.

5228643647 is a deficient number, since it is larger than the sum of its proper divisors (1).

5228643647 is an equidigital number, since it uses as much as digits as its factorization.

5228643647 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1935360, while the sum is 47.

The square root of 5228643647 is about 72309.3607149171. The cubic root of 5228643647 is about 1735.6534449791.

The spelling of 5228643647 in words is "five billion, two hundred twenty-eight million, six hundred forty-three thousand, six hundred forty-seven".