19080850021 has 8 divisors (see below), whose sum is σ = 19754818304. Its totient is φ = 18410535360.

The previous prime is 19080850001. The next prime is 19080850037. The reversal of 19080850021 is 12005808091.

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 19080850021 - 2⁹ = 19080849509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19080850001) 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, 902775 + ... + 923668.

It is an arithmetic number, because the mean of its divisors is an integer number (2469352288).

Almost surely, 2^19080850021 is an apocalyptic number.

It is an amenable number.

19080850021 is a deficient number, since it is larger than the sum of its proper divisors (673968283).

19080850021 is a wasteful number, since it uses less digits than its factorization.

19080850021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1826811.

The product of its (nonzero) digits is 5760, while the sum is 34.

The spelling of 19080850021 in words is "nineteen billion, eighty million, eight hundred fifty thousand, twenty-one".