2945075420171 has 2 divisors, whose sum is σ = 2945075420172. Its totient is φ = 2945075420170.

The previous prime is 2945075420009. The next prime is 2945075420197. The reversal of 2945075420171 is 1710245705492.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2945075420171 - 2³⁸ = 2670197513227 is a prime.

It is not a weakly prime, because it can be changed into another prime (2945075426171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1472537710085 + 1472537710086.

It is an arithmetic number, because the mean of its divisors is an integer number (1472537710086).

Almost surely, 2^{2945075420171} is an apocalyptic number.

2945075420171 is a deficient number, since it is larger than the sum of its proper divisors (1).

2945075420171 is an equidigital number, since it uses as much as digits as its factorization.

2945075420171 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 705600, while the sum is 47.

The spelling of 2945075420171 in words is "two trillion, nine hundred forty-five billion, seventy-five million, four hundred twenty thousand, one hundred seventy-one".