19990034330129 has 2 divisors, whose sum is σ = 19990034330130. Its totient is φ = 19990034330128.

The previous prime is 19990034330111. The next prime is 19990034330159. The reversal of 19990034330129 is 92103343009991.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14294055439504 + 5695978890625 = 3780748^2 + 2386625^2 .

It is a cyclic number.

It is not a de Polignac number, because 19990034330129 - 2²⁸ = 19989765894673 is a prime.

It is not a weakly prime, because it can be changed into another prime (19990034330159) 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, 9995017165064 + 9995017165065.

It is an arithmetic number, because the mean of its divisors is an integer number (9995017165065).

Almost surely, 2^{19990034330129} is an apocalyptic number.

It is an amenable number.

19990034330129 is a deficient number, since it is larger than the sum of its proper divisors (1).

19990034330129 is an equidigital number, since it uses as much as digits as its factorization.

19990034330129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1417176, while the sum is 53.

The spelling of 19990034330129 in words is "nineteen trillion, nine hundred ninety billion, thirty-four million, three hundred thirty thousand, one hundred twenty-nine".