19696847000769 has 27 divisors (see below), whose sum is σ = 29241460873443. Its totient is φ = 12776013645552.

The previous prime is 19696847000759. The next prime is 19696847000771. The reversal of 19696847000769 is 96700074869691.

The square root of 19696847000769 is 4438113.

It is a perfect power (a square), and thus also a powerful number.

19696847000769 is a `hidden beast` number, since 1 + 9 + 6 + 96 + 8 + 470 + 0 + 0 + 7 + 69 = 666.

It can be written as a sum of positive squares in only one way, i.e., 17625009186225 + 2071837814544 = 4198215^2 + 1439388^2 .

It is not a de Polignac number, because 19696847000769 - 2¹⁹ = 19696846476481 is a prime.

It is a super-2 number, since 2×19696847000769² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 19696847000697 and 19696847000706.

It is not an unprimeable number, because it can be changed into a prime (19696847000759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 492610552 + ... + 492650534.

Almost surely, 2^{19696847000769} is an apocalyptic number.

19696847000769 is the 4438113-rd square number.

19696847000769 is the 2219057-th centered octagonal number.

It is an amenable number.

19696847000769 is a deficient number, since it is larger than the sum of its proper divisors (9544613872674).

19696847000769 is an frugal number, since it uses more digits than its factorization.

19696847000769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80046 (or 40023 counting only the distinct ones).

The product of its (nonzero) digits is 246903552, while the sum is 72.

The spelling of 19696847000769 in words is "nineteen trillion, six hundred ninety-six billion, eight hundred forty-seven million, seven hundred sixty-nine", and thus it is an aban number.