11446402189 has 4 divisors (see below), whose sum is σ = 11488954140. Its totient is φ = 11403850240.

The previous prime is 11446402183. The next prime is 11446402241. The reversal of 11446402189 is 98120464411.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3686554089 + 7759848100 = 60717^2 + 88090^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11446402189 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 (11446402183) 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, 21275572 + ... + 21276109.

It is an arithmetic number, because the mean of its divisors is an integer number (2872238535).

Almost surely, 2^11446402189 is an apocalyptic number.

It is an amenable number.

11446402189 is a deficient number, since it is larger than the sum of its proper divisors (42551951).

11446402189 is an equidigital number, since it uses as much as digits as its factorization.

11446402189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42551950.

The product of its (nonzero) digits is 55296, while the sum is 40.

The spelling of 11446402189 in words is "eleven billion, four hundred forty-six million, four hundred two thousand, one hundred eighty-nine".