1768576128269 has 2 divisors, whose sum is σ = 1768576128270. Its totient is φ = 1768576128268.

The previous prime is 1768576128197. The next prime is 1768576128313. The reversal of 1768576128269 is 9628216758671.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1728830522500 + 39745605769 = 1314850^2 + 199363^2 .

It is a cyclic number.

It is not a de Polignac number, because 1768576128269 - 2²⁰ = 1768575079693 is a prime.

It is a super-2 number, since 2×1768576128269² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1768576128199 and 1768576128208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1768576124269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 884288064134 + 884288064135.

It is an arithmetic number, because the mean of its divisors is an integer number (884288064135).

Almost surely, 2^{1768576128269} is an apocalyptic number.

It is an amenable number.

1768576128269 is a deficient number, since it is larger than the sum of its proper divisors (1).

1768576128269 is an equidigital number, since it uses as much as digits as its factorization.

1768576128269 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 121927680, while the sum is 68.

The spelling of 1768576128269 in words is "one trillion, seven hundred sixty-eight billion, five hundred seventy-six million, one hundred twenty-eight thousand, two hundred sixty-nine".