19090633345 has 8 divisors (see below), whose sum is σ = 26181440064. Its totient is φ = 13090719984.

The previous prime is 19090633343. The next prime is 19090633379. The reversal of 19090633345 is 54333609091.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 19090633345 - 2¹ = 19090633343 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19090633343) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 272723299 + ... + 272723368.

It is an arithmetic number, because the mean of its divisors is an integer number (3272680008).

Almost surely, 2^19090633345 is an apocalyptic number.

It is an amenable number.

19090633345 is a deficient number, since it is larger than the sum of its proper divisors (7090806719).

19090633345 is an equidigital number, since it uses as much as digits as its factorization.

19090633345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545446679.

The product of its (nonzero) digits is 262440, while the sum is 43.

The spelling of 19090633345 in words is "nineteen billion, ninety million, six hundred thirty-three thousand, three hundred forty-five".