2128481633959 has 2 divisors, whose sum is σ = 2128481633960. Its totient is φ = 2128481633958.

The previous prime is 2128481633911. The next prime is 2128481633963. The reversal of 2128481633959 is 9593361848212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2128481633959 - 2³⁹ = 1578725820071 is a prime.

It is a super-2 number, since 2×2128481633959² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2128481633897 and 2128481633906.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2128481633059) 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, 1064240816979 + 1064240816980.

It is an arithmetic number, because the mean of its divisors is an integer number (1064240816980).

Almost surely, 2^{2128481633959} is an apocalyptic number.

2128481633959 is a deficient number, since it is larger than the sum of its proper divisors (1).

2128481633959 is an equidigital number, since it uses as much as digits as its factorization.

2128481633959 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 22394880, while the sum is 61.

The spelling of 2128481633959 in words is "two trillion, one hundred twenty-eight billion, four hundred eighty-one million, six hundred thirty-three thousand, nine hundred fifty-nine".