19290911429 has 2 divisors, whose sum is σ = 19290911430. Its totient is φ = 19290911428.

The previous prime is 19290911407. The next prime is 19290911443. The reversal of 19290911429 is 92411909291.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15319012900 + 3971898529 = 123770^2 + 63023^2 .

It is a cyclic number.

It is not a de Polignac number, because 19290911429 - 2⁸ = 19290911173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19290911929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9645455714 + 9645455715.

It is an arithmetic number, because the mean of its divisors is an integer number (9645455715).

Almost surely, 2^19290911429 is an apocalyptic number.

It is an amenable number.

19290911429 is a deficient number, since it is larger than the sum of its proper divisors (1).

19290911429 is an equidigital number, since it uses as much as digits as its factorization.

19290911429 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 104976, while the sum is 47.

The spelling of 19290911429 in words is "nineteen billion, two hundred ninety million, nine hundred eleven thousand, four hundred twenty-nine".