6725297647 has 2 divisors, whose sum is σ = 6725297648. Its totient is φ = 6725297646.

The previous prime is 6725297639. The next prime is 6725297671. The reversal of 6725297647 is 7467925276.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6725297647 - 2³ = 6725297639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6725247647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3362648823 + 3362648824.

It is an arithmetic number, because the mean of its divisors is an integer number (3362648824).

Almost surely, 2^6725297647 is an apocalyptic number.

6725297647 is a deficient number, since it is larger than the sum of its proper divisors (1).

6725297647 is an equidigital number, since it uses as much as digits as its factorization.

6725297647 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8890560, while the sum is 55.

The square root of 6725297647 is about 82007.9120999919. The cubic root of 6725297647 is about 1887.5733483301.

The spelling of 6725297647 in words is "six billion, seven hundred twenty-five million, two hundred ninety-seven thousand, six hundred forty-seven".