634303739 has 2 divisors, whose sum is σ = 634303740. Its totient is φ = 634303738.

The previous prime is 634303723. The next prime is 634303757. The reversal of 634303739 is 937303436.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 634303739 - 2⁴ = 634303723 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (634303139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 317151869 + 317151870.

It is an arithmetic number, because the mean of its divisors is an integer number (317151870).

Almost surely, 2^634303739 is an apocalyptic number.

634303739 is a deficient number, since it is larger than the sum of its proper divisors (1).

634303739 is an equidigital number, since it uses as much as digits as its factorization.

634303739 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 122472, while the sum is 38.

The square root of 634303739 is about 25185.3874101631. The cubic root of 634303739 is about 859.2095400398.

The spelling of 634303739 in words is "six hundred thirty-four million, three hundred three thousand, seven hundred thirty-nine".