206052453303613 has 12 divisors (see below), whose sum is σ = 239693908497852. Its totient is φ = 176616212935680.

The previous prime is 206052453303527. The next prime is 206052453303623. The reversal of 206052453303613 is 316303354250602.

It can be written as a sum of positive squares in 2 ways, for example, as 202071143419929 + 3981309883684 = 14215173^2 + 1995322^2 .

It is not a de Polignac number, because 206052453303613 - 2³⁷ = 205915014350141 is a prime.

It is a super-2 number, since 2×206052453303613² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 206052453303613.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206052453303623) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 81259531 + ... + 83756887.

It is an arithmetic number, because the mean of its divisors is an integer number (19974492374821).

Almost surely, 2^{206052453303613} is an apocalyptic number.

It is an amenable number.

206052453303613 is a deficient number, since it is larger than the sum of its proper divisors (33641455194239).

206052453303613 is a wasteful number, since it uses less digits than its factorization.

206052453303613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4181212 (or 4181205 counting only the distinct ones).

The product of its (nonzero) digits is 1166400, while the sum is 43.

The spelling of 206052453303613 in words is "two hundred six trillion, fifty-two billion, four hundred fifty-three million, three hundred three thousand, six hundred thirteen".