1089023270089 has 2 divisors, whose sum is σ = 1089023270090. Its totient is φ = 1089023270088.

The previous prime is 1089023270087. The next prime is 1089023270129. The reversal of 1089023270089 is 9800723209801.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1084441063225 + 4582206864 = 1041365^2 + 67692^2 .

It is an emirp because it is prime and its reverse (9800723209801) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1089023270089 - 2¹ = 1089023270087 is a prime.

Together with 1089023270087, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1089023270087) 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, 544511635044 + 544511635045.

It is an arithmetic number, because the mean of its divisors is an integer number (544511635045).

Almost surely, 2^{1089023270089} is an apocalyptic number.

It is an amenable number.

1089023270089 is a deficient number, since it is larger than the sum of its proper divisors (1).

1089023270089 is an equidigital number, since it uses as much as digits as its factorization.

1089023270089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 435456, while the sum is 49.

The spelling of 1089023270089 in words is "one trillion, eighty-nine billion, twenty-three million, two hundred seventy thousand, eighty-nine".