10128990941 has 2 divisors, whose sum is σ = 10128990942. Its totient is φ = 10128990940.

The previous prime is 10128990917. The next prime is 10128991003. The reversal of 10128990941 is 14909982101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7194602041 + 2934388900 = 84821^2 + 54170^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10128990941 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10128990892 and 10128990901.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10128990901) 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, 5064495470 + 5064495471.

It is an arithmetic number, because the mean of its divisors is an integer number (5064495471).

Almost surely, 2^10128990941 is an apocalyptic number.

It is an amenable number.

10128990941 is a deficient number, since it is larger than the sum of its proper divisors (1).

10128990941 is an equidigital number, since it uses as much as digits as its factorization.

10128990941 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46656, while the sum is 44.

The spelling of 10128990941 in words is "ten billion, one hundred twenty-eight million, nine hundred ninety thousand, nine hundred forty-one".