2026289281589 has 2 divisors, whose sum is σ = 2026289281590. Its totient is φ = 2026289281588.

The previous prime is 2026289281571. The next prime is 2026289281603. The reversal of 2026289281589 is 9851829826202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1830452055364 + 195837226225 = 1352942^2 + 442535^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2026289281589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2026289281519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1013144640794 + 1013144640795.

It is an arithmetic number, because the mean of its divisors is an integer number (1013144640795).

Almost surely, 2^{2026289281589} is an apocalyptic number.

It is an amenable number.

2026289281589 is a deficient number, since it is larger than the sum of its proper divisors (1).

2026289281589 is an equidigital number, since it uses as much as digits as its factorization.

2026289281589 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19906560, while the sum is 62.

The spelling of 2026289281589 in words is "two trillion, twenty-six billion, two hundred eighty-nine million, two hundred eighty-one thousand, five hundred eighty-nine".