4128613249 has 2 divisors, whose sum is σ = 4128613250. Its totient is φ = 4128613248.

The previous prime is 4128613199. The next prime is 4128613261. The reversal of 4128613249 is 9423168214.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3948865600 + 179747649 = 62840^2 + 13407^2 .

It is a cyclic number.

It is not a de Polignac number, because 4128613249 - 2¹⁹ = 4128088961 is a prime.

It is not a weakly prime, because it can be changed into another prime (4128613849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2064306624 + 2064306625.

It is an arithmetic number, because the mean of its divisors is an integer number (2064306625).

Almost surely, 2^4128613249 is an apocalyptic number.

It is an amenable number.

4128613249 is a deficient number, since it is larger than the sum of its proper divisors (1).

4128613249 is an equidigital number, since it uses as much as digits as its factorization.

4128613249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 82944, while the sum is 40.

The square root of 4128613249 is about 64254.2858414908. The cubic root of 4128613249 is about 1604.2352958230.

The spelling of 4128613249 in words is "four billion, one hundred twenty-eight million, six hundred thirteen thousand, two hundred forty-nine".