2600640271 has 2 divisors, whose sum is σ = 2600640272. Its totient is φ = 2600640270.

The previous prime is 2600640269. The next prime is 2600640283. The reversal of 2600640271 is 1720460062.

2600640271 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2600640271 - 2¹ = 2600640269 is a prime.

Together with 2600640269, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2600640971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1300320135 + 1300320136.

It is an arithmetic number, because the mean of its divisors is an integer number (1300320136).

Almost surely, 2^2600640271 is an apocalyptic number.

2600640271 is a deficient number, since it is larger than the sum of its proper divisors (1).

2600640271 is an equidigital number, since it uses as much as digits as its factorization.

2600640271 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 2600640271 is about 50996.4731231484. The cubic root of 2600640271 is about 1375.1817317483.

The spelling of 2600640271 in words is "two billion, six hundred million, six hundred forty thousand, two hundred seventy-one".