206489341201 has 12 divisors (see below), whose sum is σ = 244426672756. Its totient is φ = 173277767520.

The previous prime is 206489341193. The next prime is 206489341301. The reversal of 206489341201 is 102143984602.

It can be written as a sum of positive squares in 2 ways, for example, as 31618174225 + 174871166976 = 177815^2 + 418176^2 .

It is not a de Polignac number, because 206489341201 - 2³ = 206489341193 is a prime.

It is a super-2 number, since 2×206489341201² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (206489341301) 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, 65633946 + ... + 65637091.

Almost surely, 2^206489341201 is an apocalyptic number.

It is an amenable number.

206489341201 is a deficient number, since it is larger than the sum of its proper divisors (37937331555).

206489341201 is a wasteful number, since it uses less digits than its factorization.

206489341201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131271072 (or 131271061 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 40.

The spelling of 206489341201 in words is "two hundred six billion, four hundred eighty-nine million, three hundred forty-one thousand, two hundred one".