634502443 has 2 divisors, whose sum is σ = 634502444. Its totient is φ = 634502442.

The previous prime is 634502431. The next prime is 634502459. The reversal of 634502443 is 344205436.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 634502443 - 2²⁹ = 97631531 is a prime.

It is not a weakly prime, because it can be changed into another prime (634502423) 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, 317251221 + 317251222.

It is an arithmetic number, because the mean of its divisors is an integer number (317251222).

Almost surely, 2^634502443 is an apocalyptic number.

634502443 is a deficient number, since it is larger than the sum of its proper divisors (1).

634502443 is an equidigital number, since it uses as much as digits as its factorization.

634502443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34560, while the sum is 31.

The square root of 634502443 is about 25189.3319284176. The cubic root of 634502443 is about 859.2992502409.

Adding to 634502443 its reverse (344205436), we get a palindrome (978707879).

The spelling of 634502443 in words is "six hundred thirty-four million, five hundred two thousand, four hundred forty-three".