2628218275523 has 2 divisors, whose sum is σ = 2628218275524. Its totient is φ = 2628218275522.

The previous prime is 2628218275511. The next prime is 2628218275537. The reversal of 2628218275523 is 3255728128262.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2628218275523 - 2¹⁶ = 2628218209987 is a prime.

It is not a weakly prime, because it can be changed into another prime (2628218215523) 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, 1314109137761 + 1314109137762.

It is an arithmetic number, because the mean of its divisors is an integer number (1314109137762).

Almost surely, 2^{2628218275523} is an apocalyptic number.

2628218275523 is a deficient number, since it is larger than the sum of its proper divisors (1).

2628218275523 is an equidigital number, since it uses as much as digits as its factorization.

2628218275523 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6451200, while the sum is 53.

The spelling of 2628218275523 in words is "two trillion, six hundred twenty-eight billion, two hundred eighteen million, two hundred seventy-five thousand, five hundred twenty-three".