19704400696 has 32 divisors (see below), whose sum is σ = 37838975040. Its totient is φ = 9615198208.

The previous prime is 19704400693. The next prime is 19704400717. The reversal of 19704400696 is 69600440791.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19704400693) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 58500 + ... + 206956.

It is an arithmetic number, because the mean of its divisors is an integer number (1182467970).

Almost surely, 2^19704400696 is an apocalyptic number.

It is an amenable number.

19704400696 is a deficient number, since it is larger than the sum of its proper divisors (18134574344).

19704400696 is a wasteful number, since it uses less digits than its factorization.

19704400696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148863 (or 148859 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 46.

The spelling of 19704400696 in words is "nineteen billion, seven hundred four million, four hundred thousand, six hundred ninety-six".