2628875633389 has 2 divisors, whose sum is σ = 2628875633390. Its totient is φ = 2628875633388.

The previous prime is 2628875633387. The next prime is 2628875633401. The reversal of 2628875633389 is 9833365788262.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1489212630889 + 1139663002500 = 1220333^2 + 1067550^2 .

It is a cyclic number.

It is not a de Polignac number, because 2628875633389 - 2¹ = 2628875633387 is a prime.

Together with 2628875633387, 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 (2628875633387) 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, 1314437816694 + 1314437816695.

It is an arithmetic number, because the mean of its divisors is an integer number (1314437816695).

Almost surely, 2^{2628875633389} is an apocalyptic number.

It is an amenable number.

2628875633389 is a deficient number, since it is larger than the sum of its proper divisors (1).

2628875633389 is an equidigital number, since it uses as much as digits as its factorization.

2628875633389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 627056640, while the sum is 70.

The spelling of 2628875633389 in words is "two trillion, six hundred twenty-eight billion, eight hundred seventy-five million, six hundred thirty-three thousand, three hundred eighty-nine".