19020246871 has 16 divisors (see below), whose sum is σ = 19772527680. Its totient is φ = 18287216640.

The previous prime is 19020246809. The next prime is 19020246937. The reversal of 19020246871 is 17864202091.

It is a cyclic number.

It is not a de Polignac number, because 19020246871 - 2¹⁹ = 19019722583 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 (19020246071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 440671 + ... + 481903.

It is an arithmetic number, because the mean of its divisors is an integer number (1235782980).

Almost surely, 2^19020246871 is an apocalyptic number.

19020246871 is a deficient number, since it is larger than the sum of its proper divisors (752280809).

19020246871 is an equidigital number, since it uses as much as digits as its factorization.

19020246871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41466.

The product of its (nonzero) digits is 48384, while the sum is 40.

The spelling of 19020246871 in words is "nineteen billion, twenty million, two hundred forty-six thousand, eight hundred seventy-one".