4125687757 has 2 divisors, whose sum is σ = 4125687758. Its totient is φ = 4125687756.

The previous prime is 4125687737. The next prime is 4125687779. The reversal of 4125687757 is 7577865214.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2893256521 + 1232431236 = 53789^2 + 35106^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4125687757 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4125687707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2062843878 + 2062843879.

It is an arithmetic number, because the mean of its divisors is an integer number (2062843879).

Almost surely, 2^4125687757 is an apocalyptic number.

It is an amenable number.

4125687757 is a deficient number, since it is larger than the sum of its proper divisors (1).

4125687757 is an equidigital number, since it uses as much as digits as its factorization.

4125687757 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3292800, while the sum is 52.

The square root of 4125687757 is about 64231.5168511534. The cubic root of 4125687757 is about 1603.8562915271.

The spelling of 4125687757 in words is "four billion, one hundred twenty-five million, six hundred eighty-seven thousand, seven hundred fifty-seven".