19604338008 has 64 divisors (see below), whose sum is σ = 49504224000. Its totient is φ = 6469103232.

The previous prime is 19604338007. The next prime is 19604338049. The reversal of 19604338008 is 80083340691.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19604338007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3782763 + ... + 3787941.

It is an arithmetic number, because the mean of its divisors is an integer number (773503500).

Almost surely, 2^19604338008 is an apocalyptic number.

It is an amenable number.

19604338008 is an abundant number, since it is smaller than the sum of its proper divisors (29899885992).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19604338008 is a wasteful number, since it uses less digits than its factorization.

19604338008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6744 (or 6740 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 42.

Adding to 19604338008 its reverse (80083340691), we get a palindrome (99687678699).

The spelling of 19604338008 in words is "nineteen billion, six hundred four million, three hundred thirty-eight thousand, eight".