2601642271 has 2 divisors, whose sum is σ = 2601642272. Its totient is φ = 2601642270.

The previous prime is 2601642259. The next prime is 2601642313. The reversal of 2601642271 is 1722461062.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2601642271 - 2¹⁵ = 2601609503 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2601642671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1300821135 + 1300821136.

It is an arithmetic number, because the mean of its divisors is an integer number (1300821136).

Almost surely, 2^2601642271 is an apocalyptic number.

2601642271 is a deficient number, since it is larger than the sum of its proper divisors (1).

2601642271 is an equidigital number, since it uses as much as digits as its factorization.

2601642271 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 2601642271 is about 51006.2963858385. The cubic root of 2601642271 is about 1375.3583235388.

The spelling of 2601642271 in words is "two billion, six hundred one million, six hundred forty-two thousand, two hundred seventy-one".