206411471258 has 4 divisors (see below), whose sum is σ = 309617206890. Its totient is φ = 103205735628.

The previous prime is 206411471243. The next prime is 206411471309. The reversal of 206411471258 is 852174114602.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 194310811249 + 12100660009 = 440807^2 + 110003^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51602867813 + ... + 51602867816.

Almost surely, 2^206411471258 is an apocalyptic number.

206411471258 is a deficient number, since it is larger than the sum of its proper divisors (103205735632).

206411471258 is a wasteful number, since it uses less digits than its factorization.

206411471258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103205735631.

The product of its (nonzero) digits is 107520, while the sum is 41.

The spelling of 206411471258 in words is "two hundred six billion, four hundred eleven million, four hundred seventy-one thousand, two hundred fifty-eight".