1089812367 has 16 divisors (see below), whose sum is σ = 1845185280. Its totient is φ = 622749816.

The previous prime is 1089812357. The next prime is 1089812369. The reversal of 1089812367 is 7632189801.

It is not a de Polignac number, because 1089812367 - 2¹⁰ = 1089811343 is a prime.

It is a super-2 number, since 2×1089812367² = 2375381990532285378, which contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1089812369) 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 in 15 ways as a sum of consecutive naturals, for example, 2882913 + ... + 2883290.

It is an arithmetic number, because the mean of its divisors is an integer number (115324080).

Almost surely, 2^1089812367 is an apocalyptic number.

1089812367 is a deficient number, since it is larger than the sum of its proper divisors (755372913).

1089812367 is an equidigital number, since it uses as much as digits as its factorization.

1089812367 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5766219 (or 5766213 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 1089812367 is about 33012.3062962890. The cubic root of 1089812367 is about 1029.0834108621.

The spelling of 1089812367 in words is "one billion, eighty-nine million, eight hundred twelve thousand, three hundred sixty-seven".