1089549097 has 8 divisors (see below), whose sum is σ = 1340983616. Its totient is φ = 862060752.

The previous prime is 1089549073. The next prime is 1089549103. The reversal of 1089549097 is 7909459801.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1089549097 - 2⁷ = 1089548969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1089549497) 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 7 ways as a sum of consecutive naturals, for example, 5986443 + ... + 5986624.

It is an arithmetic number, because the mean of its divisors is an integer number (167622952).

Almost surely, 2^1089549097 is an apocalyptic number.

It is an amenable number.

1089549097 is a deficient number, since it is larger than the sum of its proper divisors (251434519).

1089549097 is a wasteful number, since it uses less digits than its factorization.

1089549097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11973087.

The product of its (nonzero) digits is 816480, while the sum is 52.

The square root of 1089549097 is about 33008.3186030431. The cubic root of 1089549097 is about 1029.0005376946. Note that the first 3 decimals are identical.

The spelling of 1089549097 in words is "one billion, eighty-nine million, five hundred forty-nine thousand, ninety-seven".