4169906249 has 2 divisors, whose sum is σ = 4169906250. Its totient is φ = 4169906248.

The previous prime is 4169906203. The next prime is 4169906347. The reversal of 4169906249 is 9426099614.

4169906249 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2294410000 + 1875496249 = 47900^2 + 43307^2 .

It is a cyclic number.

It is not a de Polignac number, because 4169906249 - 2¹² = 4169902153 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4169906197 and 4169906206.

It is not a weakly prime, because it can be changed into another prime (4169903249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2084953124 + 2084953125.

It is an arithmetic number, because the mean of its divisors is an integer number (2084953125).

Almost surely, 2^4169906249 is an apocalyptic number.

It is an amenable number.

4169906249 is a deficient number, since it is larger than the sum of its proper divisors (1).

4169906249 is an equidigital number, since it uses as much as digits as its factorization.

4169906249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 839808, while the sum is 50.

The square root of 4169906249 is about 64574.8112579510. The cubic root of 4169906249 is about 1609.5659039543.

The spelling of 4169906249 in words is "four billion, one hundred sixty-nine million, nine hundred six thousand, two hundred forty-nine".