19039014091 has 8 divisors (see below), whose sum is σ = 19243244384. Its totient is φ = 18835156800.

The previous prime is 19039014079. The next prime is 19039014097. The reversal of 19039014091 is 19041093091.

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

It is not a de Polignac number, because 19039014091 - 2⁹ = 19039013579 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 19039014091.

It is not an unprimeable number, because it can be changed into a prime (19039014097) 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, 9991 + ... + 195391.

It is an arithmetic number, because the mean of its divisors is an integer number (2405405548).

Almost surely, 2^19039014091 is an apocalyptic number.

19039014091 is a deficient number, since it is larger than the sum of its proper divisors (204230293).

19039014091 is a wasteful number, since it uses less digits than its factorization.

19039014091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186501.

The product of its (nonzero) digits is 8748, while the sum is 37.

The spelling of 19039014091 in words is "nineteen billion, thirty-nine million, fourteen thousand, ninety-one".