205214255052353 has 2 divisors, whose sum is σ = 205214255052354. Its totient is φ = 205214255052352.

The previous prime is 205214255052329. The next prime is 205214255052397. The reversal of 205214255052353 is 353250552412502.

It is a happy number.

It is an a-pointer prime, because the next prime (205214255052397) can be obtained adding 205214255052353 to its sum of digits (44).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 203589721269169 + 1624533783184 = 14268487^2 + 1274572^2 .

It is a cyclic number.

It is not a de Polignac number, because 205214255052353 - 2²² = 205214250858049 is a prime.

It is a super-2 number, since 2×205214255052353² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (205214255072353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102607127526176 + 102607127526177.

It is an arithmetic number, because the mean of its divisors is an integer number (102607127526177).

Almost surely, 2^{205214255052353} is an apocalyptic number.

It is an amenable number.

205214255052353 is a deficient number, since it is larger than the sum of its proper divisors (1).

205214255052353 is an equidigital number, since it uses as much as digits as its factorization.

205214255052353 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1800000, while the sum is 44.

The spelling of 205214255052353 in words is "two hundred five trillion, two hundred fourteen billion, two hundred fifty-five million, fifty-two thousand, three hundred fifty-three".