19104348772 has 12 divisors (see below), whose sum is σ = 33433820140. Its totient is φ = 9551828736.

The previous prime is 19104348751. The next prime is 19104348811. The reversal of 19104348772 is 27784340191.

It can be written as a sum of positive squares in 2 ways, for example, as 10482483456 + 8621865316 = 102384^2 + 92854^2 .

It is a super-2 number, since 2×19104348772² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69004 + ... + 207292.

Almost surely, 2^19104348772 is an apocalyptic number.

It is an amenable number.

19104348772 is a deficient number, since it is larger than the sum of its proper divisors (14329471368).

19104348772 is a wasteful number, since it uses less digits than its factorization.

19104348772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172830 (or 172828 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 46.

The spelling of 19104348772 in words is "nineteen billion, one hundred four million, three hundred forty-eight thousand, seven hundred seventy-two".