2691913271 has 2 divisors, whose sum is σ = 2691913272. Its totient is φ = 2691913270.

The previous prime is 2691913267. The next prime is 2691913283. The reversal of 2691913271 is 1723191962.

2691913271 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 2691913271 - 2² = 2691913267 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2691913571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1345956635 + 1345956636.

It is an arithmetic number, because the mean of its divisors is an integer number (1345956636).

Almost surely, 2^2691913271 is an apocalyptic number.

2691913271 is a deficient number, since it is larger than the sum of its proper divisors (1).

2691913271 is an equidigital number, since it uses as much as digits as its factorization.

2691913271 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40824, while the sum is 41.

The square root of 2691913271 is about 51883.6512882430. The cubic root of 2691913271 is about 1391.0850646291.

The spelling of 2691913271 in words is "two billion, six hundred ninety-one million, nine hundred thirteen thousand, two hundred seventy-one".