19697060030769 has 27 divisors (see below), whose sum is σ = 31273158881419. Its totient is φ = 11937523377120.

The previous prime is 19697060030759. The next prime is 19697060030771. The reversal of 19697060030769 is 96703006079691.

The square root of 19697060030769 is 4438137.

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

19697060030769 is a `hidden beast` number, since 19 + 6 + 9 + 7 + 0 + 600 + 3 + 0 + 7 + 6 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 15050621117169 + 4646438913600 = 3879513^2 + 2155560^2 .

It is not a de Polignac number, because 19697060030769 - 2⁵ = 19697060030737 is a prime.

It is a super-2 number, since 2×19697060030769² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19697060030759) by changing a digit.

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 26 ways as a sum of consecutive naturals, for example, 146391277 + ... + 146525765.

Almost surely, 2^{19697060030769} is an apocalyptic number.

19697060030769 is the 4438137-th square number.

19697060030769 is the 2219069-th centered octagonal number.

It is an amenable number.

19697060030769 is a deficient number, since it is larger than the sum of its proper divisors (11576098850650).

19697060030769 is an frugal number, since it uses more digits than its factorization.

19697060030769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269006 (or 134503 counting only the distinct ones).

The product of its (nonzero) digits is 23147208, while the sum is 63.

The spelling of 19697060030769 in words is "nineteen trillion, six hundred ninety-seven billion, sixty million, thirty thousand, seven hundred sixty-nine".