30128102869 has 2 divisors, whose sum is σ = 30128102870. Its totient is φ = 30128102868.

The previous prime is 30128102833. The next prime is 30128102923. The reversal of 30128102869 is 96820182103.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25917780100 + 4210322769 = 160990^2 + 64887^2 .

It is a cyclic number.

It is not a de Polignac number, because 30128102869 - 2¹⁹ = 30127578581 is a prime.

It is a super-2 number, since 2×30128102869² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30128102269) 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, 15064051434 + 15064051435.

It is an arithmetic number, because the mean of its divisors is an integer number (15064051435).

Almost surely, 2^30128102869 is an apocalyptic number.

It is an amenable number.

30128102869 is a deficient number, since it is larger than the sum of its proper divisors (1).

30128102869 is an equidigital number, since it uses as much as digits as its factorization.

30128102869 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41472, while the sum is 40.

The spelling of 30128102869 in words is "thirty billion, one hundred twenty-eight million, one hundred two thousand, eight hundred sixty-nine".