4169871949 has 2 divisors, whose sum is σ = 4169871950. Its totient is φ = 4169871948.

The previous prime is 4169871889. The next prime is 4169871967. The reversal of 4169871949 is 9491789614.

4169871949 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3715755849 + 454116100 = 60957^2 + 21310^2 .

It is a cyclic number.

It is not a de Polignac number, because 4169871949 - 2⁷ = 4169871821 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4169871893 and 4169871902.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4169874949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2084935974 + 2084935975.

It is an arithmetic number, because the mean of its divisors is an integer number (2084935975).

Almost surely, 2^4169871949 is an apocalyptic number.

It is an amenable number.

4169871949 is a deficient number, since it is larger than the sum of its proper divisors (1).

4169871949 is an equidigital number, since it uses as much as digits as its factorization.

4169871949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3919104, while the sum is 58.

The square root of 4169871949 is about 64574.5456739728. The cubic root of 4169871949 is about 1609.5614907246.

The spelling of 4169871949 in words is "four billion, one hundred sixty-nine million, eight hundred seventy-one thousand, nine hundred forty-nine".