19653568014 has 16 divisors (see below), whose sum is σ = 40048780752. Its totient is φ = 6427581888.

The previous prime is 19653568001. The next prime is 19653568021. The reversal of 19653568014 is 41086535691.

It is a congruent number.

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, 30901519 + ... + 30902154.

It is an arithmetic number, because the mean of its divisors is an integer number (2503048797).

Almost surely, 2^19653568014 is an apocalyptic number.

19653568014 is an abundant number, since it is smaller than the sum of its proper divisors (20395212738).

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

19653568014 is a wasteful number, since it uses less digits than its factorization.

19653568014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61803731.

The product of its (nonzero) digits is 777600, while the sum is 48.

The spelling of 19653568014 in words is "nineteen billion, six hundred fifty-three million, five hundred sixty-eight thousand, fourteen".