366809473 has 2 divisors, whose sum is σ = 366809474. Its totient is φ = 366809472.

The previous prime is 366809467. The next prime is 366809489. The reversal of 366809473 is 374908663.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 362217024 + 4592449 = 19032^2 + 2143^2 .

It is a cyclic number.

It is not a de Polignac number, because 366809473 - 2¹⁷ = 366678401 is a prime.

It is not a weakly prime, because it can be changed into another prime (366809273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 183404736 + 183404737.

It is an arithmetic number, because the mean of its divisors is an integer number (183404737).

Almost surely, 2^366809473 is an apocalyptic number.

It is an amenable number.

366809473 is a deficient number, since it is larger than the sum of its proper divisors (1).

366809473 is an equidigital number, since it uses as much as digits as its factorization.

366809473 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 653184, while the sum is 46.

The square root of 366809473 is about 19152.2707008856. The cubic root of 366809473 is about 715.8359648621.

The spelling of 366809473 in words is "three hundred sixty-six million, eight hundred nine thousand, four hundred seventy-three".