6740448571 has 2 divisors, whose sum is σ = 6740448572. Its totient is φ = 6740448570.

The previous prime is 6740448557. The next prime is 6740448613. The reversal of 6740448571 is 1758440476.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6740448571 - 2⁷ = 6740448443 is a prime.

It is not a weakly prime, because it can be changed into another prime (6740448551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3370224285 + 3370224286.

It is an arithmetic number, because the mean of its divisors is an integer number (3370224286).

Almost surely, 2^6740448571 is an apocalyptic number.

6740448571 is a deficient number, since it is larger than the sum of its proper divisors (1).

6740448571 is an equidigital number, since it uses as much as digits as its factorization.

6740448571 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 752640, while the sum is 46.

The square root of 6740448571 is about 82100.2349022218. The cubic root of 6740448571 is about 1888.9897432064.

The spelling of 6740448571 in words is "six billion, seven hundred forty million, four hundred forty-eight thousand, five hundred seventy-one".