19704693336 has 128 divisors (see below), whose sum is σ = 54325080000. Its totient is φ = 5928108032.

The previous prime is 19704693313. The next prime is 19704693347. The reversal of 19704693336 is 63339640791.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1757380 + ... + 1768556.

Almost surely, 2^19704693336 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19704693336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27162540000).

19704693336 is an abundant number, since it is smaller than the sum of its proper divisors (34620386664).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19704693336 is a wasteful number, since it uses less digits than its factorization.

19704693336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11381 (or 11377 counting only the distinct ones).

The product of its (nonzero) digits is 2204496, while the sum is 51.

The spelling of 19704693336 in words is "nineteen billion, seven hundred four million, six hundred ninety-three thousand, three hundred thirty-six".