19683896769 has 12 divisors (see below), whose sum is σ = 29412719700. Its totient is φ = 12670094304.

The previous prime is 19683896759. The next prime is 19683896779. The reversal of 19683896769 is 96769838691.

It is an interprime number because it is at equal distance from previous prime (19683896759) and next prime (19683896779).

It can be written as a sum of positive squares in 2 ways, for example, as 16310610369 + 3373286400 = 127713^2 + 58080^2 .

It is not a de Polignac number, because 19683896769 - 2¹² = 19683892673 is a prime.

It is a super-2 number, since 2×19683896769² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 19683896697 and 19683896706.

It is not an unprimeable number, because it can be changed into a prime (19683896719) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37708354 + ... + 37708875.

It is an arithmetic number, because the mean of its divisors is an integer number (2451059975).

Almost surely, 2^19683896769 is an apocalyptic number.

It is an amenable number.

19683896769 is a deficient number, since it is larger than the sum of its proper divisors (9728822931).

19683896769 is a wasteful number, since it uses less digits than its factorization.

19683896769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75417264 (or 75417261 counting only the distinct ones).

The product of its digits is 211631616, while the sum is 72.

The spelling of 19683896769 in words is "nineteen billion, six hundred eighty-three million, eight hundred ninety-six thousand, seven hundred sixty-nine".