206247404742602 has 16 divisors (see below), whose sum is σ = 309413127406920. Its totient is φ = 103109696554752.

The previous prime is 206247404742593. The next prime is 206247404742629.

206247404742602 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 4 ways, for example, as 200832517628521 + 5414887114081 = 14171539^2 + 2326991^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 465570224 + ... + 466013012.

Almost surely, 2^{206247404742602} is an apocalyptic number.

206247404742602 is a deficient number, since it is larger than the sum of its proper divisors (103165722664318).

206247404742602 is a wasteful number, since it uses less digits than its factorization.

206247404742602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473897.

The product of its (nonzero) digits is 7225344, while the sum is 50.

The spelling of 206247404742602 in words is "two hundred six trillion, two hundred forty-seven billion, four hundred four million, seven hundred forty-two thousand, six hundred two".