474447329 has 2 divisors, whose sum is σ = 474447330. Its totient is φ = 474447328.

The previous prime is 474447319. The next prime is 474447331. The reversal of 474447329 is 923744474.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 465566929 + 8880400 = 21577^2 + 2980^2 .

It is a cyclic number.

It is not a de Polignac number, because 474447329 - 2⁴ = 474447313 is a prime.

Together with 474447331, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 474447329.

It is not a weakly prime, because it can be changed into another prime (474447319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 237223664 + 237223665.

It is an arithmetic number, because the mean of its divisors is an integer number (237223665).

Almost surely, 2^474447329 is an apocalyptic number.

It is an amenable number.

474447329 is a deficient number, since it is larger than the sum of its proper divisors (1).

474447329 is an equidigital number, since it uses as much as digits as its factorization.

474447329 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 677376, while the sum is 44.

The square root of 474447329 is about 21781.8118851486. The cubic root of 474447329 is about 779.9426480952.

The spelling of 474447329 in words is "four hundred seventy-four million, four hundred forty-seven thousand, three hundred twenty-nine".