2628046421089 has 2 divisors, whose sum is σ = 2628046421090. Its totient is φ = 2628046421088.

The previous prime is 2628046421023. The next prime is 2628046421101. The reversal of 2628046421089 is 9801246408262.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2611278243025 + 16768178064 = 1615945^2 + 129492^2 .

It is a cyclic number.

It is not a de Polignac number, because 2628046421089 - 2¹⁵ = 2628046388321 is a prime.

It is not a weakly prime, because it can be changed into another prime (2628046421389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1314023210544 + 1314023210545.

It is an arithmetic number, because the mean of its divisors is an integer number (1314023210545).

Almost surely, 2^{2628046421089} is an apocalyptic number.

It is an amenable number.

2628046421089 is a deficient number, since it is larger than the sum of its proper divisors (1).

2628046421089 is an equidigital number, since it uses as much as digits as its factorization.

2628046421089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2654208, while the sum is 52.

The spelling of 2628046421089 in words is "two trillion, six hundred twenty-eight billion, forty-six million, four hundred twenty-one thousand, eighty-nine".