366241475447689 has 2 divisors, whose sum is σ = 366241475447690. Its totient is φ = 366241475447688.

The previous prime is 366241475447633. The next prime is 366241475447723. The reversal of 366241475447689 is 986744574142663.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 269098925935225 + 97142549512464 = 16404235^2 + 9856092^2 .

It is a cyclic number.

It is not a de Polignac number, because 366241475447689 - 2¹⁷ = 366241475316617 is a prime.

It is not a weakly prime, because it can be changed into another prime (366241475445689) 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, 183120737723844 + 183120737723845.

It is an arithmetic number, because the mean of its divisors is an integer number (183120737723845).

Almost surely, 2^{366241475447689} is an apocalyptic number.

It is an amenable number.

366241475447689 is a deficient number, since it is larger than the sum of its proper divisors (1).

366241475447689 is an equidigital number, since it uses as much as digits as its factorization.

366241475447689 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5852528640, while the sum is 76.

The spelling of 366241475447689 in words is "three hundred sixty-six trillion, two hundred forty-one billion, four hundred seventy-five million, four hundred forty-seven thousand, six hundred eighty-nine".