4691972791171 has 2 divisors, whose sum is σ = 4691972791172. Its totient is φ = 4691972791170.

The previous prime is 4691972791153. The next prime is 4691972791237. The reversal of 4691972791171 is 1711972791964.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4691972791171 - 2⁷ = 4691972791043 is a prime.

It is not a weakly prime, because it can be changed into another prime (4691972791111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2345986395585 + 2345986395586.

It is an arithmetic number, because the mean of its divisors is an integer number (2345986395586).

Almost surely, 2^{4691972791171} is an apocalyptic number.

4691972791171 is a deficient number, since it is larger than the sum of its proper divisors (1).

4691972791171 is an equidigital number, since it uses as much as digits as its factorization.

4691972791171 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12002256, while the sum is 64.

The spelling of 4691972791171 in words is "four trillion, six hundred ninety-one billion, nine hundred seventy-two million, seven hundred ninety-one thousand, one hundred seventy-one".