6974442647 has 2 divisors, whose sum is σ = 6974442648. Its totient is φ = 6974442646.

The previous prime is 6974442623. The next prime is 6974442679. The reversal of 6974442647 is 7462444796.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6974442647 - 2⁶ = 6974442583 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6974442047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3487221323 + 3487221324.

It is an arithmetic number, because the mean of its divisors is an integer number (3487221324).

Almost surely, 2^6974442647 is an apocalyptic number.

6974442647 is a deficient number, since it is larger than the sum of its proper divisors (1).

6974442647 is an equidigital number, since it uses as much as digits as its factorization.

6974442647 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8128512, while the sum is 53.

The square root of 6974442647 is about 83513.1285906593. The cubic root of 6974442647 is about 1910.6002743069.

The spelling of 6974442647 in words is "six billion, nine hundred seventy-four million, four hundred forty-two thousand, six hundred forty-seven".