10128995797 has 2 divisors, whose sum is σ = 10128995798. Its totient is φ = 10128995796.

The previous prime is 10128995759. The next prime is 10128995819. The reversal of 10128995797 is 79759982101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9034312401 + 1094683396 = 95049^2 + 33086^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10128995797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10128995197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5064497898 + 5064497899.

It is an arithmetic number, because the mean of its divisors is an integer number (5064497899).

Almost surely, 2^10128995797 is an apocalyptic number.

It is an amenable number.

10128995797 is a deficient number, since it is larger than the sum of its proper divisors (1).

10128995797 is an equidigital number, since it uses as much as digits as its factorization.

10128995797 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2857680, while the sum is 58.

The spelling of 10128995797 in words is "ten billion, one hundred twenty-eight million, nine hundred ninety-five thousand, seven hundred ninety-seven".