4248744169 has 2 divisors, whose sum is σ = 4248744170. Its totient is φ = 4248744168.

The previous prime is 4248744139. The next prime is 4248744173. The reversal of 4248744169 is 9614478424.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2775182400 + 1473561769 = 52680^2 + 38387^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4248744169 is a prime.

It is a super-2 number, since 2×4248744169² = 36103654027223001122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4248744139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2124372084 + 2124372085.

It is an arithmetic number, because the mean of its divisors is an integer number (2124372085).

Almost surely, 2^4248744169 is an apocalyptic number.

It is an amenable number.

4248744169 is a deficient number, since it is larger than the sum of its proper divisors (1).

4248744169 is an equidigital number, since it uses as much as digits as its factorization.

4248744169 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1548288, while the sum is 49.

The square root of 4248744169 is about 65182.3915563091. The cubic root of 4248744169 is about 1619.6463396302.

The spelling of 4248744169 in words is "four billion, two hundred forty-eight million, seven hundred forty-four thousand, one hundred sixty-nine".