19338869049 has 8 divisors (see below), whose sum is σ = 25821529920. Its totient is φ = 12874393776.

The previous prime is 19338869041. The next prime is 19338869059. The reversal of 19338869049 is 94096883391.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 19338869049 - 2³ = 19338869041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 19338868983 and 19338869001.

It is not an unprimeable number, because it can be changed into a prime (19338869041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4543917 + ... + 4548170.

It is an arithmetic number, because the mean of its divisors is an integer number (3227691240).

Almost surely, 2^19338869049 is an apocalyptic number.

It is an amenable number.

19338869049 is a deficient number, since it is larger than the sum of its proper divisors (6482660871).

19338869049 is an equidigital number, since it uses as much as digits as its factorization.

19338869049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9092799.

The product of its (nonzero) digits is 10077696, while the sum is 60.

The spelling of 19338869049 in words is "nineteen billion, three hundred thirty-eight million, eight hundred sixty-nine thousand, forty-nine".