655022203406269 has 2 divisors, whose sum is σ = 655022203406270. Its totient is φ = 655022203406268.

The previous prime is 655022203406189. The next prime is 655022203406317. The reversal of 655022203406269 is 962604302220556.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 524417419626244 + 130604783780025 = 22900162^2 + 11428245^2 .

It is a cyclic number.

It is not a de Polignac number, because 655022203406269 - 2¹⁷ = 655022203275197 is a prime.

It is a super-2 number, since 2×655022203406269² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (655022203406869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327511101703134 + 327511101703135.

It is an arithmetic number, because the mean of its divisors is an integer number (327511101703135).

Almost surely, 2^{655022203406269} is an apocalyptic number.

It is an amenable number.

655022203406269 is a deficient number, since it is larger than the sum of its proper divisors (1).

655022203406269 is an equidigital number, since it uses as much as digits as its factorization.

655022203406269 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9331200, while the sum is 52.

The spelling of 655022203406269 in words is "six hundred fifty-five trillion, twenty-two billion, two hundred three million, four hundred six thousand, two hundred sixty-nine".