19372040193 has 32 divisors (see below), whose sum is σ = 28343734272. Its totient is φ = 11671560000.

The previous prime is 19372040189. The next prime is 19372040231. The reversal of 19372040193 is 39104027391.

It is not a de Polignac number, because 19372040193 - 2² = 19372040189 is a prime.

It is not an unprimeable number, because it can be changed into a prime (19372040173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5025855 + ... + 5029707.

It is an arithmetic number, because the mean of its divisors is an integer number (885741696).

Almost surely, 2^19372040193 is an apocalyptic number.

It is an amenable number.

19372040193 is a deficient number, since it is larger than the sum of its proper divisors (8971694079).

19372040193 is a wasteful number, since it uses less digits than its factorization.

19372040193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4725.

The product of its (nonzero) digits is 40824, while the sum is 39.

The spelling of 19372040193 in words is "nineteen billion, three hundred seventy-two million, forty thousand, one hundred ninety-three".