19669530814 has 24 divisors (see below), whose sum is σ = 31230453744. Its totient is φ = 9285343200.

The previous prime is 19669530767. The next prime is 19669530833. The reversal of 19669530814 is 41803596691.

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 11 ways as a sum of consecutive naturals, for example, 46002 + ... + 203605.

It is an arithmetic number, because the mean of its divisors is an integer number (1301268906).

Almost surely, 2^19669530814 is an apocalyptic number.

19669530814 is a deficient number, since it is larger than the sum of its proper divisors (11560922930).

19669530814 is a wasteful number, since it uses less digits than its factorization.

19669530814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249712 (or 249681 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 52.

The spelling of 19669530814 in words is "nineteen billion, six hundred sixty-nine million, five hundred thirty thousand, eight hundred fourteen".