19363395812 has 24 divisors (see below), whose sum is σ = 34326319104. Its totient is φ = 9556530912.

The previous prime is 19363395773. The next prime is 19363395817. The reversal of 19363395812 is 21859336391.

It is a happy number.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (19363395817) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36893 + ... + 200219.

It is an arithmetic number, because the mean of its divisors is an integer number (1430263296).

Almost surely, 2^19363395812 is an apocalyptic number.

It is an amenable number.

19363395812 is a deficient number, since it is larger than the sum of its proper divisors (14962923292).

19363395812 is a wasteful number, since it uses less digits than its factorization.

19363395812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163715 (or 163713 counting only the distinct ones).

The product of its digits is 1049760, while the sum is 50.

The spelling of 19363395812 in words is "nineteen billion, three hundred sixty-three million, three hundred ninety-five thousand, eight hundred twelve".