4247415647 has 2 divisors, whose sum is σ = 4247415648. Its totient is φ = 4247415646.

The previous prime is 4247415593. The next prime is 4247415649. The reversal of 4247415647 is 7465147424.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4247415647 - 2⁶ = 4247415583 is a prime.

Together with 4247415649, 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 = 4247415598 and 4247415607.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4247415649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2123707823 + 2123707824.

It is an arithmetic number, because the mean of its divisors is an integer number (2123707824).

Almost surely, 2^4247415647 is an apocalyptic number.

4247415647 is a deficient number, since it is larger than the sum of its proper divisors (1).

4247415647 is an equidigital number, since it uses as much as digits as its factorization.

4247415647 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 752640, while the sum is 44.

The square root of 4247415647 is about 65172.1999551956. The cubic root of 4247415647 is about 1619.4775085576.

The spelling of 4247415647 in words is "four billion, two hundred forty-seven million, four hundred fifteen thousand, six hundred forty-seven".