19196793836 has 24 divisors (see below), whose sum is σ = 36759172800. Its totient is φ = 8699446800.

The previous prime is 19196793823. The next prime is 19196793851. The reversal of 19196793836 is 63839769191.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 644486 + ... + 673613.

It is an arithmetic number, because the mean of its divisors is an integer number (1531632200).

Almost surely, 2^19196793836 is an apocalyptic number.

It is an amenable number.

19196793836 is a deficient number, since it is larger than the sum of its proper divisors (17562378964).

19196793836 is a wasteful number, since it uses less digits than its factorization.

19196793836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1318445 (or 1318443 counting only the distinct ones).

The product of its digits is 13226976, while the sum is 62.

The spelling of 19196793836 in words is "nineteen billion, one hundred ninety-six million, seven hundred ninety-three thousand, eight hundred thirty-six".