1089537199 has 4 divisors (see below), whose sum is σ = 1101779280. Its totient is φ = 1077295120.

The previous prime is 1089537181. The next prime is 1089537203. The reversal of 1089537199 is 9917359801.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1089537199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1089537179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6120907 + ... + 6121084.

It is an arithmetic number, because the mean of its divisors is an integer number (275444820).

Almost surely, 2^1089537199 is an apocalyptic number.

1089537199 is a deficient number, since it is larger than the sum of its proper divisors (12242081).

1089537199 is an equidigital number, since it uses as much as digits as its factorization.

1089537199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12242080.

The product of its (nonzero) digits is 612360, while the sum is 52.

The square root of 1089537199 is about 33008.1383752553. The cubic root of 1089537199 is about 1028.9967920800.

The spelling of 1089537199 in words is "one billion, eighty-nine million, five hundred thirty-seven thousand, one hundred ninety-nine".