474444647 has 2 divisors, whose sum is σ = 474444648. Its totient is φ = 474444646.

The previous prime is 474444643. The next prime is 474444701. The reversal of 474444647 is 746444474.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 474444647 - 2² = 474444643 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 474444598 and 474444607.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (474444643) 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, 237222323 + 237222324.

It is an arithmetic number, because the mean of its divisors is an integer number (237222324).

Almost surely, 2^474444647 is an apocalyptic number.

474444647 is a deficient number, since it is larger than the sum of its proper divisors (1).

474444647 is an equidigital number, since it uses as much as digits as its factorization.

474444647 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1204224, while the sum is 44.

The square root of 474444647 is about 21781.7503199353. The cubic root of 474444647 is about 779.9411784483.

The spelling of 474444647 in words is "four hundred seventy-four million, four hundred forty-four thousand, six hundred forty-seven".