628967850913 has 2 divisors, whose sum is σ = 628967850914. Its totient is φ = 628967850912.

The previous prime is 628967850899. The next prime is 628967850937. The reversal of 628967850913 is 319058769826.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 552752101729 + 76215749184 = 743473^2 + 276072^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-628967850913 is a prime.

It is not a weakly prime, because it can be changed into another prime (628967850113) 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, 314483925456 + 314483925457.

It is an arithmetic number, because the mean of its divisors is an integer number (314483925457).

Almost surely, 2^628967850913 is an apocalyptic number.

It is an amenable number.

628967850913 is a deficient number, since it is larger than the sum of its proper divisors (1).

628967850913 is an equidigital number, since it uses as much as digits as its factorization.

628967850913 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 39191040, while the sum is 64.

The spelling of 628967850913 in words is "six hundred twenty-eight billion, nine hundred sixty-seven million, eight hundred fifty thousand, nine hundred thirteen".