19819833942475 has 24 divisors (see below), whose sum is σ = 28113281134848. Its totient is φ = 13578286000800.

The previous prime is 19819833942457. The next prime is 19819833942533. The reversal of 19819833942475 is 57424933891891.

It is not a de Polignac number, because 19819833942475 - 2³¹ = 19817686458827 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 19819833942398 and 19819833942407.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 51713839 + ... + 52095688.

It is an arithmetic number, because the mean of its divisors is an integer number (1171386713952).

Almost surely, 2^{19819833942475} is an apocalyptic number.

19819833942475 is a deficient number, since it is larger than the sum of its proper divisors (8293447192373).

19819833942475 is a wasteful number, since it uses less digits than its factorization.

19819833942475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103810635 (or 103810630 counting only the distinct ones).

The product of its digits is 470292480, while the sum is 73.

The spelling of 19819833942475 in words is "nineteen trillion, eight hundred nineteen billion, eight hundred thirty-three million, nine hundred forty-two thousand, four hundred seventy-five".