5312066647 has 2 divisors, whose sum is σ = 5312066648. Its totient is φ = 5312066646.

The previous prime is 5312066621. The next prime is 5312066651. The reversal of 5312066647 is 7466602135.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5312066647 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5312066657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2656033323 + 2656033324.

It is an arithmetic number, because the mean of its divisors is an integer number (2656033324).

Almost surely, 2^5312066647 is an apocalyptic number.

5312066647 is a deficient number, since it is larger than the sum of its proper divisors (1).

5312066647 is an equidigital number, since it uses as much as digits as its factorization.

5312066647 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 181440, while the sum is 40.

The square root of 5312066647 is about 72883.9258478850. The cubic root of 5312066647 is about 1744.8355657132.

The spelling of 5312066647 in words is "five billion, three hundred twelve million, sixty-six thousand, six hundred forty-seven".