275895565697 has 2 divisors, whose sum is σ = 275895565698. Its totient is φ = 275895565696.

The previous prime is 275895565681. The next prime is 275895565709. The reversal of 275895565697 is 796565598572.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 247808822416 + 28086743281 = 497804^2 + 167591^2 .

It is a cyclic number.

It is not a de Polignac number, because 275895565697 - 2⁴ = 275895565681 is a prime.

It is a super-2 number, since 2×275895565697² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (275895565607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137947782848 + 137947782849.

It is an arithmetic number, because the mean of its divisors is an integer number (137947782849).

Almost surely, 2^275895565697 is an apocalyptic number.

It is an amenable number.

275895565697 is a deficient number, since it is larger than the sum of its proper divisors (1).

275895565697 is an equidigital number, since it uses as much as digits as its factorization.

275895565697 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1428840000, while the sum is 74.

The spelling of 275895565697 in words is "two hundred seventy-five billion, eight hundred ninety-five million, five hundred sixty-five thousand, six hundred ninety-seven".