2945143364197 has 2 divisors, whose sum is σ = 2945143364198. Its totient is φ = 2945143364196.

The previous prime is 2945143364147. The next prime is 2945143364239. The reversal of 2945143364197 is 7914633415492.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2809140250401 + 136003113796 = 1676049^2 + 368786^2 .

It is a cyclic number.

It is not a de Polignac number, because 2945143364197 - 2⁷ = 2945143364069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2945143364147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1472571682098 + 1472571682099.

It is an arithmetic number, because the mean of its divisors is an integer number (1472571682099).

Almost surely, 2^{2945143364197} is an apocalyptic number.

It is an amenable number.

2945143364197 is a deficient number, since it is larger than the sum of its proper divisors (1).

2945143364197 is an equidigital number, since it uses as much as digits as its factorization.

2945143364197 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19595520, while the sum is 58.

The spelling of 2945143364197 in words is "two trillion, nine hundred forty-five billion, one hundred forty-three million, three hundred sixty-four thousand, one hundred ninety-seven".