634424347 has 2 divisors, whose sum is σ = 634424348. Its totient is φ = 634424346.

The previous prime is 634424333. The next prime is 634424381. The reversal of 634424347 is 743424436.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-634424347 is a prime.

It is not a weakly prime, because it can be changed into another prime (634424327) 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, 317212173 + 317212174.

It is an arithmetic number, because the mean of its divisors is an integer number (317212174).

Almost surely, 2^634424347 is an apocalyptic number.

634424347 is a deficient number, since it is larger than the sum of its proper divisors (1).

634424347 is an equidigital number, since it uses as much as digits as its factorization.

634424347 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 193536, while the sum is 37.

The square root of 634424347 is about 25187.7817006580. The cubic root of 634424347 is about 859.2639939607.

The spelling of 634424347 in words is "six hundred thirty-four million, four hundred twenty-four thousand, three hundred forty-seven".