4125388489 has 2 divisors, whose sum is σ = 4125388490. Its totient is φ = 4125388488.

The previous prime is 4125388451. The next prime is 4125388493. The reversal of 4125388489 is 9848835214.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4065975225 + 59413264 = 63765^2 + 7708^2 .

It is a cyclic number.

It is not a de Polignac number, because 4125388489 - 2¹⁹ = 4124864201 is a prime.

It is not a weakly prime, because it can be changed into another prime (4125388429) 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, 2062694244 + 2062694245.

It is an arithmetic number, because the mean of its divisors is an integer number (2062694245).

Almost surely, 2^4125388489 is an apocalyptic number.

It is an amenable number.

4125388489 is a deficient number, since it is larger than the sum of its proper divisors (1).

4125388489 is an equidigital number, since it uses as much as digits as its factorization.

4125388489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2211840, while the sum is 52.

The square root of 4125388489 is about 64229.1872048837. The cubic root of 4125388489 is about 1603.8175105611.

The spelling of 4125388489 in words is "four billion, one hundred twenty-five million, three hundred eighty-eight thousand, four hundred eighty-nine".