1089369903 has 8 divisors (see below), whose sum is σ = 1476304816. Its totient is φ = 714340800.

The previous prime is 1089369899. The next prime is 1089369943. The reversal of 1089369903 is 3099639801.

It is a happy number.

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

It is not a de Polignac number, because 1089369903 - 2² = 1089369899 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 (1089369943) 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, 2976238 + ... + 2976603.

It is an arithmetic number, because the mean of its divisors is an integer number (184538102).

Almost surely, 2^1089369903 is an apocalyptic number.

1089369903 is a deficient number, since it is larger than the sum of its proper divisors (386934913).

1089369903 is an equidigital number, since it uses as much as digits as its factorization.

1089369903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5952905.

The product of its (nonzero) digits is 314928, while the sum is 48.

The square root of 1089369903 is about 33005.6041150590. The cubic root of 1089369903 is about 1028.9441226655.

The spelling of 1089369903 in words is "one billion, eighty-nine million, three hundred sixty-nine thousand, nine hundred three".