4045122691271 has 2 divisors, whose sum is σ = 4045122691272. Its totient is φ = 4045122691270.

The previous prime is 4045122691249. The next prime is 4045122691321. The reversal of 4045122691271 is 1721962215404.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4045122691271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4045122691471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2022561345635 + 2022561345636.

It is an arithmetic number, because the mean of its divisors is an integer number (2022561345636).

Almost surely, 2^{4045122691271} is an apocalyptic number.

4045122691271 is a deficient number, since it is larger than the sum of its proper divisors (1).

4045122691271 is an equidigital number, since it uses as much as digits as its factorization.

4045122691271 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 241920, while the sum is 44.

The spelling of 4045122691271 in words is "four trillion, forty-five billion, one hundred twenty-two million, six hundred ninety-one thousand, two hundred seventy-one".