19108472132 has 12 divisors (see below), whose sum is σ = 33440957676. Its totient is φ = 9553912800.

The previous prime is 19108472129. The next prime is 19108472143. The reversal of 19108472132 is 23127480191.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 8262082816 + 10846389316 = 90896^2 + 104146^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94382 + ... + 217082.

It is an arithmetic number, because the mean of its divisors is an integer number (2786746473).

Almost surely, 2^19108472132 is an apocalyptic number.

It is an amenable number.

19108472132 is a deficient number, since it is larger than the sum of its proper divisors (14332485544).

19108472132 is a wasteful number, since it uses less digits than its factorization.

19108472132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161638 (or 161636 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 38.

The spelling of 19108472132 in words is "nineteen billion, one hundred eight million, four hundred seventy-two thousand, one hundred thirty-two".