205363034543606 has 32 divisors (see below), whose sum is σ = 313943021441280. Its totient is φ = 100730790590976.

The previous prime is 205363034543603. The next prime is 205363034543609. The reversal of 205363034543606 is 606345430363502.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (205363034543603) and next prime (205363034543609).

It is a super-2 number, since 2×205363034543606² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205363034543603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95548730 + ... + 97674386.

It is an arithmetic number, because the mean of its divisors is an integer number (9810719420040).

Almost surely, 2^{205363034543606} is an apocalyptic number.

205363034543606 is a deficient number, since it is larger than the sum of its proper divisors (108579986897674).

205363034543606 is a wasteful number, since it uses less digits than its factorization.

205363034543606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2129288.

The product of its (nonzero) digits is 13996800, while the sum is 50.

The spelling of 205363034543606 in words is "two hundred five trillion, three hundred sixty-three billion, thirty-four million, five hundred forty-three thousand, six hundred six".