1089604433 has 4 divisors (see below), whose sum is σ = 1099787760. Its totient is φ = 1079421108.

The previous prime is 1089604427. The next prime is 1089604447. The reversal of 1089604433 is 3344069801.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1089604433 - 2¹⁶ = 1089538897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1089604403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5091503 + ... + 5091716.

It is an arithmetic number, because the mean of its divisors is an integer number (274946940).

Almost surely, 2^1089604433 is an apocalyptic number.

It is an amenable number.

1089604433 is a deficient number, since it is larger than the sum of its proper divisors (10183327).

1089604433 is a wasteful number, since it uses less digits than its factorization.

1089604433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10183326.

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 1089604433 is about 33009.1568053472. The cubic root of 1089604433 is about 1029.0179576866.

The spelling of 1089604433 in words is "one billion, eighty-nine million, six hundred four thousand, four hundred thirty-three".