19326064338 has 48 divisors (see below), whose sum is σ = 50670023040. Its totient is φ = 5196924288.

The previous prime is 19326064337. The next prime is 19326064363. The reversal of 19326064338 is 83346062391.

19326064338 is a `hidden beast` number, since 1 + 9 + 3 + 2 + 606 + 4 + 3 + 38 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 19326064293 and 19326064302.

It is not an unprimeable number, because it can be changed into a prime (19326064337) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4509078 + ... + 4513361.

It is an arithmetic number, because the mean of its divisors is an integer number (1055625480).

Almost surely, 2^19326064338 is an apocalyptic number.

19326064338 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

19326064338 is an abundant number, since it is smaller than the sum of its proper divisors (31343958702).

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

19326064338 is a wasteful number, since it uses less digits than its factorization.

19326064338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9022471 (or 9022468 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 45.

The spelling of 19326064338 in words is "nineteen billion, three hundred twenty-six million, sixty-four thousand, three hundred thirty-eight".