6538448927 has 2 divisors, whose sum is σ = 6538448928. Its totient is φ = 6538448926.

The previous prime is 6538448923. The next prime is 6538448951. The reversal of 6538448927 is 7298448356.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6538448927 - 2² = 6538448923 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6538448921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3269224463 + 3269224464.

It is an arithmetic number, because the mean of its divisors is an integer number (3269224464).

Almost surely, 2^6538448927 is an apocalyptic number.

6538448927 is a deficient number, since it is larger than the sum of its proper divisors (1).

6538448927 is an equidigital number, since it uses as much as digits as its factorization.

6538448927 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11612160, while the sum is 56.

The square root of 6538448927 is about 80860.6760236396. The cubic root of 6538448927 is about 1869.9281170954.

The spelling of 6538448927 in words is "six billion, five hundred thirty-eight million, four hundred forty-eight thousand, nine hundred twenty-seven".