628702531213 has 2 divisors, whose sum is σ = 628702531214. Its totient is φ = 628702531212.

The previous prime is 628702531189. The next prime is 628702531217. The reversal of 628702531213 is 312135207826.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 399933554409 + 228768976804 = 632403^2 + 478298^2 .

It is a cyclic number.

It is not a de Polignac number, because 628702531213 - 2⁵ = 628702531181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (628702531217) 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, 314351265606 + 314351265607.

It is an arithmetic number, because the mean of its divisors is an integer number (314351265607).

Almost surely, 2^628702531213 is an apocalyptic number.

It is an amenable number.

628702531213 is a deficient number, since it is larger than the sum of its proper divisors (1).

628702531213 is an equidigital number, since it uses as much as digits as its factorization.

628702531213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120960, while the sum is 40.

The spelling of 628702531213 in words is "six hundred twenty-eight billion, seven hundred two million, five hundred thirty-one thousand, two hundred thirteen".