4128513941 has 2 divisors, whose sum is σ = 4128513942. Its totient is φ = 4128513940.

The previous prime is 4128513923. The next prime is 4128513953. The reversal of 4128513941 is 1493158214.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2618880625 + 1509633316 = 51175^2 + 38854^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4128513941 is a prime.

It is a super-2 number, since 2×4128513941² = 34089254722062702962, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4128513895 and 4128513904.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4128513911) 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, 2064256970 + 2064256971.

It is an arithmetic number, because the mean of its divisors is an integer number (2064256971).

Almost surely, 2^4128513941 is an apocalyptic number.

It is an amenable number.

4128513941 is a deficient number, since it is larger than the sum of its proper divisors (1).

4128513941 is an equidigital number, since it uses as much as digits as its factorization.

4128513941 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34560, while the sum is 38.

The square root of 4128513941 is about 64253.5130634894. The cubic root of 4128513941 is about 1604.2224331767. Note that the first 3 decimals are identical.

The spelling of 4128513941 in words is "four billion, one hundred twenty-eight million, five hundred thirteen thousand, nine hundred forty-one".