4164121771 has 2 divisors, whose sum is σ = 4164121772. Its totient is φ = 4164121770.

The previous prime is 4164121721. The next prime is 4164121777. The reversal of 4164121771 is 1771214614.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4164121771 - 2²¹ = 4162024619 is a prime.

It is not a weakly prime, because it can be changed into another prime (4164121777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2082060885 + 2082060886.

It is an arithmetic number, because the mean of its divisors is an integer number (2082060886).

Almost surely, 2^4164121771 is an apocalyptic number.

4164121771 is a deficient number, since it is larger than the sum of its proper divisors (1).

4164121771 is an equidigital number, since it uses as much as digits as its factorization.

4164121771 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9408, while the sum is 34.

The square root of 4164121771 is about 64530.0067487987. The cubic root of 4164121771 is about 1608.8212983214.

The spelling of 4164121771 in words is "four billion, one hundred sixty-four million, one hundred twenty-one thousand, seven hundred seventy-one".