19384801229 has 2 divisors, whose sum is σ = 19384801230. Its totient is φ = 19384801228.

The previous prime is 19384801201. The next prime is 19384801231. The reversal of 19384801229 is 92210848391.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15175776100 + 4209025129 = 123190^2 + 64877^2 .

It is a cyclic number.

It is not a de Polignac number, because 19384801229 - 2²⁰ = 19383752653 is a prime.

Together with 19384801231, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19384801529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9692400614 + 9692400615.

It is an arithmetic number, because the mean of its divisors is an integer number (9692400615).

Almost surely, 2^19384801229 is an apocalyptic number.

It is an amenable number.

19384801229 is a deficient number, since it is larger than the sum of its proper divisors (1).

19384801229 is an equidigital number, since it uses as much as digits as its factorization.

19384801229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 248832, while the sum is 47.

The spelling of 19384801229 in words is "nineteen billion, three hundred eighty-four million, eight hundred one thousand, two hundred twenty-nine".