2945075420197 has 2 divisors, whose sum is σ = 2945075420198. Its totient is φ = 2945075420196.

The previous prime is 2945075420171. The next prime is 2945075420233. The reversal of 2945075420197 is 7910245705492.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1769501211076 + 1175574209121 = 1330226^2 + 1084239^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2945075420197 is a prime.

It is a super-2 number, since 2×2945075420197² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2945075420797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1472537710098 + 1472537710099.

It is an arithmetic number, because the mean of its divisors is an integer number (1472537710099).

Almost surely, 2^{2945075420197} is an apocalyptic number.

It is an amenable number.

2945075420197 is a deficient number, since it is larger than the sum of its proper divisors (1).

2945075420197 is an equidigital number, since it uses as much as digits as its factorization.

2945075420197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6350400, while the sum is 55.

The spelling of 2945075420197 in words is "two trillion, nine hundred forty-five billion, seventy-five million, four hundred twenty thousand, one hundred ninety-seven".