19896117704 has 32 divisors (see below), whose sum is σ = 38016138240. Its totient is φ = 9759336000.

The previous prime is 19896117701. The next prime is 19896117733. The reversal of 19896117704 is 40771169891.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (19896117701) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133679 + ... + 240129.

It is an arithmetic number, because the mean of its divisors is an integer number (1188004320).

Almost surely, 2^19896117704 is an apocalyptic number.

It is an amenable number.

19896117704 is a deficient number, since it is larger than the sum of its proper divisors (18120020536).

19896117704 is a wasteful number, since it uses less digits than its factorization.

19896117704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106901 (or 106897 counting only the distinct ones).

The product of its (nonzero) digits is 762048, while the sum is 53.

The spelling of 19896117704 in words is "nineteen billion, eight hundred ninety-six million, one hundred seventeen thousand, seven hundred four".