19838874411 has 12 divisors (see below), whose sum is σ = 29902071888. Its totient is φ = 12650876304.

The previous prime is 19838874397. The next prime is 19838874413. The reversal of 19838874411 is 11447883891.

19838874411 is a `hidden beast` number, since 1 + 9 + 83 + 88 + 74 + 411 = 666.

It is not a de Polignac number, because 19838874411 - 2⁵ = 19838874379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (19838874413) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47919780 + ... + 47920193.

It is an arithmetic number, because the mean of its divisors is an integer number (2491839324).

Almost surely, 2^19838874411 is an apocalyptic number.

19838874411 is a deficient number, since it is larger than the sum of its proper divisors (10063197477).

19838874411 is a wasteful number, since it uses less digits than its factorization.

19838874411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95840002 (or 95839999 counting only the distinct ones).

The product of its digits is 1548288, while the sum is 54.

The spelling of 19838874411 in words is "nineteen billion, eight hundred thirty-eight million, eight hundred seventy-four thousand, four hundred eleven".