634824306013 has 2 divisors, whose sum is σ = 634824306014. Its totient is φ = 634824306012.

The previous prime is 634824305993. The next prime is 634824306047. The reversal of 634824306013 is 310603428436.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 503720931289 + 131103374724 = 709733^2 + 362082^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-634824306013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (634824306313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 317412153006 + 317412153007.

It is an arithmetic number, because the mean of its divisors is an integer number (317412153007).

Almost surely, 2^634824306013 is an apocalyptic number.

It is an amenable number.

634824306013 is a deficient number, since it is larger than the sum of its proper divisors (1).

634824306013 is an equidigital number, since it uses as much as digits as its factorization.

634824306013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 248832, while the sum is 40.

The spelling of 634824306013 in words is "six hundred thirty-four billion, eight hundred twenty-four million, three hundred six thousand, thirteen".