6977325643 has 2 divisors, whose sum is σ = 6977325644. Its totient is φ = 6977325642.

The previous prime is 6977325637. The next prime is 6977325671. The reversal of 6977325643 is 3465237796.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6977325643 - 2⁵ = 6977325611 is a prime.

It is not a weakly prime, because it can be changed into another prime (6977325683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3488662821 + 3488662822.

It is an arithmetic number, because the mean of its divisors is an integer number (3488662822).

Almost surely, 2^6977325643 is an apocalyptic number.

6977325643 is a deficient number, since it is larger than the sum of its proper divisors (1).

6977325643 is an equidigital number, since it uses as much as digits as its factorization.

6977325643 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5715360, while the sum is 52.

The square root of 6977325643 is about 83530.3875424986. The cubic root of 6977325643 is about 1910.8634969722.

The spelling of 6977325643 in words is "six billion, nine hundred seventy-seven million, three hundred twenty-five thousand, six hundred forty-three".