4169252861 has 2 divisors, whose sum is σ = 4169252862. Its totient is φ = 4169252860.

The previous prime is 4169252797. The next prime is 4169252881. The reversal of 4169252861 is 1682529614.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3964591225 + 204661636 = 62965^2 + 14306^2 .

It is a cyclic number.

It is not a de Polignac number, because 4169252861 - 2⁶ = 4169252797 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4169252881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2084626430 + 2084626431.

It is an arithmetic number, because the mean of its divisors is an integer number (2084626431).

Almost surely, 2^4169252861 is an apocalyptic number.

It is an amenable number.

4169252861 is a deficient number, since it is larger than the sum of its proper divisors (1).

4169252861 is an equidigital number, since it uses as much as digits as its factorization.

4169252861 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 207360, while the sum is 44.

The square root of 4169252861 is about 64569.7519044328. The cubic root of 4169252861 is about 1609.4818312423.

The spelling of 4169252861 in words is "four billion, one hundred sixty-nine million, two hundred fifty-two thousand, eight hundred sixty-one".