19371922871 has 16 divisors (see below), whose sum is σ = 22845527040. Its totient is φ = 16079122080.

The previous prime is 19371922861. The next prime is 19371922883. The reversal of 19371922871 is 17822917391.

It is not a de Polignac number, because 19371922871 - 2¹⁰ = 19371921847 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19371922861) 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, 122591 + ... + 231888.

It is an arithmetic number, because the mean of its divisors is an integer number (1427845440).

Almost surely, 2^19371922871 is an apocalyptic number.

19371922871 is a deficient number, since it is larger than the sum of its proper divisors (3473604169).

19371922871 is a wasteful number, since it uses less digits than its factorization.

19371922871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354734.

The product of its digits is 381024, while the sum is 50.

The spelling of 19371922871 in words is "nineteen billion, three hundred seventy-one million, nine hundred twenty-two thousand, eight hundred seventy-one".