626860647348121 has 2 divisors, whose sum is σ = 626860647348122. Its totient is φ = 626860647348120.

The previous prime is 626860647348083. The next prime is 626860647348163. The reversal of 626860647348121 is 121843746068626.

626860647348121 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., 615235241092096 + 11625406256025 = 24803936^2 + 3409605^2 .

It is a cyclic number.

It is not a de Polignac number, because 626860647348121 - 2³³ = 626852057413529 is a prime.

It is not a weakly prime, because it can be changed into another prime (626860647348721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 313430323674060 + 313430323674061.

It is an arithmetic number, because the mean of its divisors is an integer number (313430323674061).

Almost surely, 2^{626860647348121} is an apocalyptic number.

It is an amenable number.

626860647348121 is a deficient number, since it is larger than the sum of its proper divisors (1).

626860647348121 is an equidigital number, since it uses as much as digits as its factorization.

626860647348121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 111476736, while the sum is 64.

The spelling of 626860647348121 in words is "six hundred twenty-six trillion, eight hundred sixty billion, six hundred forty-seven million, three hundred forty-eight thousand, one hundred twenty-one".