19968614769 has 16 divisors (see below), whose sum is σ = 26715503360. Its totient is φ = 13267134720.

The previous prime is 19968614759. The next prime is 19968614797. The reversal of 19968614769 is 96741686991.

It is not a de Polignac number, because 19968614769 - 2¹⁷ = 19968483697 is a prime.

It is a super-2 number, since 2×19968614769² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19968614719) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1304649 + ... + 1319865.

It is an arithmetic number, because the mean of its divisors is an integer number (1669718960).

Almost surely, 2^19968614769 is an apocalyptic number.

It is an amenable number.

19968614769 is a deficient number, since it is larger than the sum of its proper divisors (6746888591).

19968614769 is a wasteful number, since it uses less digits than its factorization.

19968614769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16680.

The product of its digits is 35271936, while the sum is 66.

The spelling of 19968614769 in words is "nineteen billion, nine hundred sixty-eight million, six hundred fourteen thousand, seven hundred sixty-nine".