19327581796 has 12 divisors (see below), whose sum is σ = 34158152700. Its totient is φ = 9568109600.

The previous prime is 19327581787. The next prime is 19327581859. The reversal of 19327581796 is 69718572391.

It can be written as a sum of positive squares in 2 ways, for example, as 18655735396 + 671846400 = 136586^2 + 25920^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 19327581796.

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 3 ways as a sum of consecutive naturals, for example, 23919871 + ... + 23920678.

It is an arithmetic number, because the mean of its divisors is an integer number (2846512725).

Almost surely, 2^19327581796 is an apocalyptic number.

It is an amenable number.

19327581796 is a deficient number, since it is larger than the sum of its proper divisors (14830570904).

19327581796 is a wasteful number, since it uses less digits than its factorization.

19327581796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47840654 (or 47840652 counting only the distinct ones).

The product of its digits is 5715360, while the sum is 58.

The spelling of 19327581796 in words is "nineteen billion, three hundred twenty-seven million, five hundred eighty-one thousand, seven hundred ninety-six".