2645473733171 has 2 divisors, whose sum is σ = 2645473733172. Its totient is φ = 2645473733170.

The previous prime is 2645473733137. The next prime is 2645473733197. The reversal of 2645473733171 is 1713373745462.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2645473733171 is a prime.

It is not a weakly prime, because it can be changed into another prime (2645473733101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1322736866585 + 1322736866586.

It is an arithmetic number, because the mean of its divisors is an integer number (1322736866586).

Almost surely, 2^{2645473733171} is an apocalyptic number.

2645473733171 is a deficient number, since it is larger than the sum of its proper divisors (1).

2645473733171 is an equidigital number, since it uses as much as digits as its factorization.

2645473733171 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8890560, while the sum is 53.

The spelling of 2645473733171 in words is "two trillion, six hundred forty-five billion, four hundred seventy-three million, seven hundred thirty-three thousand, one hundred seventy-one".