1026275020289 has 2 divisors, whose sum is σ = 1026275020290. Its totient is φ = 1026275020288.

The previous prime is 1026275020283. The next prime is 1026275020349. The reversal of 1026275020289 is 9820205726201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 582230041600 + 444044978689 = 763040^2 + 666367^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1026275020289 is a prime.

It is not a weakly prime, because it can be changed into another prime (1026275020283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 513137510144 + 513137510145.

It is an arithmetic number, because the mean of its divisors is an integer number (513137510145).

Almost surely, 2^{1026275020289} is an apocalyptic number.

It is an amenable number.

1026275020289 is a deficient number, since it is larger than the sum of its proper divisors (1).

1026275020289 is an equidigital number, since it uses as much as digits as its factorization.

1026275020289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 241920, while the sum is 44.

The spelling of 1026275020289 in words is "one trillion, twenty-six billion, two hundred seventy-five million, twenty thousand, two hundred eighty-nine".