2589775588021 has 2 divisors, whose sum is σ = 2589775588022. Its totient is φ = 2589775588020.

The previous prime is 2589775588013. The next prime is 2589775588063. The reversal of 2589775588021 is 1208855779852.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1519142526225 + 1070633061796 = 1232535^2 + 1034714^2 .

It is a cyclic number.

It is not a de Polignac number, because 2589775588021 - 2³ = 2589775588013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2589775589021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1294887794010 + 1294887794011.

It is an arithmetic number, because the mean of its divisors is an integer number (1294887794011).

Almost surely, 2^{2589775588021} is an apocalyptic number.

It is an amenable number.

2589775588021 is a deficient number, since it is larger than the sum of its proper divisors (1).

2589775588021 is an equidigital number, since it uses as much as digits as its factorization.

2589775588021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112896000, while the sum is 67.

The spelling of 2589775588021 in words is "two trillion, five hundred eighty-nine billion, seven hundred seventy-five million, five hundred eighty-eight thousand, twenty-one".