628163387113 has 4 divisors (see below), whose sum is σ = 628169773140. Its totient is φ = 628157001088.

The previous prime is 628163387101. The next prime is 628163387123. The reversal of 628163387113 is 311783361826.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 64901129049 + 563262258064 = 254757^2 + 750508^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-628163387113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (628163387123) 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 in 3 ways as a sum of consecutive naturals, for example, 3043120 + ... + 3242977.

It is an arithmetic number, because the mean of its divisors is an integer number (157042443285).

Almost surely, 2^628163387113 is an apocalyptic number.

It is an amenable number.

628163387113 is a deficient number, since it is larger than the sum of its proper divisors (6386027).

628163387113 is an equidigital number, since it uses as much as digits as its factorization.

628163387113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6386026.

The product of its digits is 870912, while the sum is 49.

The spelling of 628163387113 in words is "six hundred twenty-eight billion, one hundred sixty-three million, three hundred eighty-seven thousand, one hundred thirteen".