4520144269 has 2 divisors, whose sum is σ = 4520144270. Its totient is φ = 4520144268.

The previous prime is 4520144243. The next prime is 4520144281. The reversal of 4520144269 is 9624410254.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2480538025 + 2039606244 = 49805^2 + 45162^2 .

It is a cyclic number.

It is not a de Polignac number, because 4520144269 - 2²¹ = 4518047117 is a prime.

It is a super-2 number, since 2×4520144269² = 40863408425147088722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4520142269) 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, 2260072134 + 2260072135.

It is an arithmetic number, because the mean of its divisors is an integer number (2260072135).

Almost surely, 2^4520144269 is an apocalyptic number.

It is an amenable number.

4520144269 is a deficient number, since it is larger than the sum of its proper divisors (1).

4520144269 is an equidigital number, since it uses as much as digits as its factorization.

4520144269 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69120, while the sum is 37.

The square root of 4520144269 is about 67232.0181833031. The cubic root of 4520144269 is about 1653.4234727952.

The spelling of 4520144269 in words is "four billion, five hundred twenty million, one hundred forty-four thousand, two hundred sixty-nine".