627680413 has 2 divisors, whose sum is σ = 627680414. Its totient is φ = 627680412.

The previous prime is 627680411. The next prime is 627680429. The reversal of 627680413 is 314086726.

627680413 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 398521369 + 229159044 = 19963^2 + 15138^2 .

It is a cyclic number.

It is not a de Polignac number, because 627680413 - 2¹ = 627680411 is a prime.

Together with 627680411, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (627680411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 313840206 + 313840207.

It is an arithmetic number, because the mean of its divisors is an integer number (313840207).

Almost surely, 2^627680413 is an apocalyptic number.

It is an amenable number.

627680413 is a deficient number, since it is larger than the sum of its proper divisors (1).

627680413 is an equidigital number, since it uses as much as digits as its factorization.

627680413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 627680413 is about 25053.5509060093. The cubic root of 627680413 is about 856.2084813513.

The spelling of 627680413 in words is "six hundred twenty-seven million, six hundred eighty thousand, four hundred thirteen".