206013584761 has 2 divisors, whose sum is σ = 206013584762. Its totient is φ = 206013584760.

The previous prime is 206013584743. The next prime is 206013584813. The reversal of 206013584761 is 167485310602.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 175021742736 + 30991842025 = 418356^2 + 176045^2 .

It is a cyclic number.

It is not a de Polignac number, because 206013584761 - 2⁵ = 206013584729 is a prime.

It is not a weakly prime, because it can be changed into another prime (206013584701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103006792380 + 103006792381.

It is an arithmetic number, because the mean of its divisors is an integer number (103006792381).

Almost surely, 2^206013584761 is an apocalyptic number.

It is an amenable number.

206013584761 is a deficient number, since it is larger than the sum of its proper divisors (1).

206013584761 is an equidigital number, since it uses as much as digits as its factorization.

206013584761 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 241920, while the sum is 43.

The spelling of 206013584761 in words is "two hundred six billion, thirteen million, five hundred eighty-four thousand, seven hundred sixty-one".