4252140449 has 2 divisors, whose sum is σ = 4252140450. Its totient is φ = 4252140448.

The previous prime is 4252140421. The next prime is 4252140469. The reversal of 4252140449 is 9440412524.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2151568225 + 2100572224 = 46385^2 + 45832^2 .

It is a cyclic number.

It is not a de Polignac number, because 4252140449 - 2²⁴ = 4235363233 is a prime.

It is not a weakly prime, because it can be changed into another prime (4252140469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2126070224 + 2126070225.

It is an arithmetic number, because the mean of its divisors is an integer number (2126070225).

Almost surely, 2^4252140449 is an apocalyptic number.

It is an amenable number.

4252140449 is a deficient number, since it is larger than the sum of its proper divisors (1).

4252140449 is an equidigital number, since it uses as much as digits as its factorization.

4252140449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46080, while the sum is 35.

The square root of 4252140449 is about 65208.4384800004. The cubic root of 4252140449 is about 1620.0777853470.

The spelling of 4252140449 in words is "four billion, two hundred fifty-two million, one hundred forty thousand, four hundred forty-nine".