19363804338 has 32 divisors (see below), whose sum is σ = 41388957504. Its totient is φ = 6018140672.

The previous prime is 19363804303. The next prime is 19363804357. The reversal of 19363804338 is 83340836391.

It is a Curzon number.

It is an unprimeable number.

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, 876195 + ... + 898022.

It is an arithmetic number, because the mean of its divisors is an integer number (1293404922).

Almost surely, 2^19363804338 is an apocalyptic number.

19363804338 is an abundant number, since it is smaller than the sum of its proper divisors (22025153166).

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

19363804338 is a wasteful number, since it uses less digits than its factorization.

19363804338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1774346.

The product of its (nonzero) digits is 1119744, while the sum is 48.

The spelling of 19363804338 in words is "nineteen billion, three hundred sixty-three million, eight hundred four thousand, three hundred thirty-eight".