4245552169 has 2 divisors, whose sum is σ = 4245552170. Its totient is φ = 4245552168.

The previous prime is 4245552151. The next prime is 4245552197. The reversal of 4245552169 is 9612555424.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4060238400 + 185313769 = 63720^2 + 13613^2 .

It is a cyclic number.

It is not a de Polignac number, because 4245552169 - 2²⁵ = 4211997737 is a prime.

It is a super-2 number, since 2×4245552169² = 36049426439401209122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4245552769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2122776084 + 2122776085.

It is an arithmetic number, because the mean of its divisors is an integer number (2122776085).

Almost surely, 2^4245552169 is an apocalyptic number.

It is an amenable number.

4245552169 is a deficient number, since it is larger than the sum of its proper divisors (1).

4245552169 is an equidigital number, since it uses as much as digits as its factorization.

4245552169 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 432000, while the sum is 43.

The square root of 4245552169 is about 65157.9018155128. The cubic root of 4245552169 is about 1619.2406349376.

The spelling of 4245552169 in words is "four billion, two hundred forty-five million, five hundred fifty-two thousand, one hundred sixty-nine".