205474611371 has 2 divisors, whose sum is σ = 205474611372. Its totient is φ = 205474611370.

The previous prime is 205474611337. The next prime is 205474611413. The reversal of 205474611371 is 173116474502.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-205474611371 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (205474011371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102737305685 + 102737305686.

It is an arithmetic number, because the mean of its divisors is an integer number (102737305686).

Almost surely, 2^205474611371 is an apocalyptic number.

205474611371 is a deficient number, since it is larger than the sum of its proper divisors (1).

205474611371 is an equidigital number, since it uses as much as digits as its factorization.

205474611371 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 141120, while the sum is 41.

The spelling of 205474611371 in words is "two hundred five billion, four hundred seventy-four million, six hundred eleven thousand, three hundred seventy-one".