474309149 has 2 divisors, whose sum is σ = 474309150. Its totient is φ = 474309148.

The previous prime is 474309113. The next prime is 474309169. The reversal of 474309149 is 941903474.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 328261924 + 146047225 = 18118^2 + 12085^2 .

It is a cyclic number.

It is not a de Polignac number, because 474309149 - 2⁸ = 474308893 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (474309169) 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, 237154574 + 237154575.

It is an arithmetic number, because the mean of its divisors is an integer number (237154575).

Almost surely, 2^474309149 is an apocalyptic number.

It is an amenable number.

474309149 is a deficient number, since it is larger than the sum of its proper divisors (1).

474309149 is an equidigital number, since it uses as much as digits as its factorization.

474309149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 474309149 is about 21778.6397417286. The cubic root of 474309149 is about 779.8669228370.

The spelling of 474309149 in words is "four hundred seventy-four million, three hundred nine thousand, one hundred forty-nine".