1089109769 has 8 divisors (see below), whose sum is σ = 1189399008. Its totient is φ = 989033760.

The previous prime is 1089109759. The next prime is 1089109771. The reversal of 1089109769 is 9679019801.

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

It is not a de Polignac number, because 1089109769 - 2⁴ = 1089109753 is a prime.

It is a super-2 number, since 2×1089109769² = 2372320177862466722, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1089109759) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42527 + ... + 63140.

It is an arithmetic number, because the mean of its divisors is an integer number (148674876).

Almost surely, 2^1089109769 is an apocalyptic number.

It is an amenable number.

1089109769 is a deficient number, since it is larger than the sum of its proper divisors (100289239).

1089109769 is a wasteful number, since it uses less digits than its factorization.

1089109769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106615.

The product of its (nonzero) digits is 244944, while the sum is 50.

The square root of 1089109769 is about 33001.6631247578. The cubic root of 1089109769 is about 1028.8622145649.

The spelling of 1089109769 in words is "one billion, eighty-nine million, one hundred nine thousand, seven hundred sixty-nine".