19385613424 has 10 divisors (see below), whose sum is σ = 37559626040. Its totient is φ = 9692806704.

The previous prime is 19385613323. The next prime is 19385613427. The reversal of 19385613424 is 42431658391.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19385613427) 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 as a sum of consecutive naturals, namely, 605800404 + ... + 605800435.

It is an arithmetic number, because the mean of its divisors is an integer number (3755962604).

Almost surely, 2^19385613424 is an apocalyptic number.

It is an amenable number.

19385613424 is a deficient number, since it is larger than the sum of its proper divisors (18174012616).

19385613424 is a wasteful number, since it uses less digits than its factorization.

19385613424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1211600847 (or 1211600841 counting only the distinct ones).

The product of its digits is 622080, while the sum is 46.

The spelling of 19385613424 in words is "nineteen billion, three hundred eighty-five million, six hundred thirteen thousand, four hundred twenty-four".