1089366623 has 2 divisors, whose sum is σ = 1089366624. Its totient is φ = 1089366622.

The previous prime is 1089366589. The next prime is 1089366631. The reversal of 1089366623 is 3266639801.

It is a strong prime.

It is an emirp because it is prime and its reverse (3266639801) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1089366623 - 2²⁴ = 1072589407 is a prime.

It is a super-3 number, since 3×1089366623³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1089366673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 544683311 + 544683312.

It is an arithmetic number, because the mean of its divisors is an integer number (544683312).

Almost surely, 2^1089366623 is an apocalyptic number.

1089366623 is a deficient number, since it is larger than the sum of its proper divisors (1).

1089366623 is an equidigital number, since it uses as much as digits as its factorization.

1089366623 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 279936, while the sum is 44.

The square root of 1089366623 is about 33005.5544264901. The cubic root of 1089366623 is about 1028.9430899767.

The spelling of 1089366623 in words is "one billion, eighty-nine million, three hundred sixty-six thousand, six hundred twenty-three".