4520688647 has 2 divisors, whose sum is σ = 4520688648. Its totient is φ = 4520688646.

The previous prime is 4520688631. The next prime is 4520688649. The reversal of 4520688647 is 7468860254.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4520688647 - 2⁴ = 4520688631 is a prime.

It is a super-2 number, since 2×4520688647² = 40873251686229381218, which contains 22 as substring.

Together with 4520688649, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 4520688595 and 4520688604.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4520688649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2260344323 + 2260344324.

It is an arithmetic number, because the mean of its divisors is an integer number (2260344324).

Almost surely, 2^4520688647 is an apocalyptic number.

4520688647 is a deficient number, since it is larger than the sum of its proper divisors (1).

4520688647 is an equidigital number, since it uses as much as digits as its factorization.

4520688647 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2580480, while the sum is 50.

The square root of 4520688647 is about 67236.0665640101. The cubic root of 4520688647 is about 1653.4898461363.

The spelling of 4520688647 in words is "four billion, five hundred twenty million, six hundred eighty-eight thousand, six hundred forty-seven".