19193029192 has 32 divisors (see below), whose sum is σ = 36358252920. Its totient is φ = 9497574400.

The previous prime is 19193029159. The next prime is 19193029199. The reversal of 19193029192 is 29192039191.

It can be written as a sum of positive squares in 4 ways, for example, as 19125230436 + 67798756 = 138294^2 + 8234^2 .

It is not an unprimeable number, because it can be changed into a prime (19193029199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3501558 + ... + 3507034.

Almost surely, 2^19193029192 is an apocalyptic number.

It is an amenable number.

19193029192 is a deficient number, since it is larger than the sum of its proper divisors (17165223728).

19193029192 is a wasteful number, since it uses less digits than its factorization.

19193029192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9921 (or 9917 counting only the distinct ones).

The product of its (nonzero) digits is 78732, while the sum is 46.

Subtracting 19193029192 from its reverse (29192039191), we obtain a palindrome (9999009999).

It can be divided in two parts, 191930 and 29192, that added together give a palindrome (221122).

The spelling of 19193029192 in words is "nineteen billion, one hundred ninety-three million, twenty-nine thousand, one hundred ninety-two".