4127085917 has 2 divisors, whose sum is σ = 4127085918. Its totient is φ = 4127085916.

The previous prime is 4127085901. The next prime is 4127085929. The reversal of 4127085917 is 7195807214.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3287187556 + 839898361 = 57334^2 + 28981^2 .

It is a cyclic number.

It is not a de Polignac number, because 4127085917 - 2⁴ = 4127085901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4127085947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2063542958 + 2063542959.

It is an arithmetic number, because the mean of its divisors is an integer number (2063542959).

Almost surely, 2^4127085917 is an apocalyptic number.

It is an amenable number.

4127085917 is a deficient number, since it is larger than the sum of its proper divisors (1).

4127085917 is an equidigital number, since it uses as much as digits as its factorization.

4127085917 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 141120, while the sum is 44.

The square root of 4127085917 is about 64242.3996827640. The cubic root of 4127085917 is about 1604.0374487529.

The spelling of 4127085917 in words is "four billion, one hundred twenty-seven million, eighty-five thousand, nine hundred seventeen".