19073134081 has 8 divisors (see below), whose sum is σ = 19685910240. Its totient is φ = 18470008128.

The previous prime is 19073134079. The next prime is 19073134099. The reversal of 19073134081 is 18043137091.

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 19073134081 - 2¹ = 19073134079 is a prime.

It is a super-2 number, since 2×19073134081² (a number of 21 digits) contains 22 as substring.

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 19073134081.

It is not an unprimeable number, because it can be changed into a prime (19073134681) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2408536 + ... + 2416441.

It is an arithmetic number, because the mean of its divisors is an integer number (2460738780).

Almost surely, 2^19073134081 is an apocalyptic number.

It is an amenable number.

19073134081 is a deficient number, since it is larger than the sum of its proper divisors (612776159).

19073134081 is an equidigital number, since it uses as much as digits as its factorization.

19073134081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4825103.

The product of its (nonzero) digits is 18144, while the sum is 37.

The spelling of 19073134081 in words is "nineteen billion, seventy-three million, one hundred thirty-four thousand, eighty-one".