11644345322 has 4 divisors (see below), whose sum is σ = 17466517986. Its totient is φ = 5822172660.

The previous prime is 11644345291. The next prime is 11644345357. The reversal of 11644345322 is 22354344611.

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

It can be written as a sum of positive squares in only one way, i.e., 8561985961 + 3082359361 = 92531^2 + 55519^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2911086329 + ... + 2911086332.

Almost surely, 2^11644345322 is an apocalyptic number.

11644345322 is a deficient number, since it is larger than the sum of its proper divisors (5822172664).

11644345322 is an equidigital number, since it uses as much as digits as its factorization.

11644345322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5822172663.

The product of its digits is 69120, while the sum is 35.

Adding to 11644345322 its reverse (22354344611), we get a palindrome (33998689933).

The spelling of 11644345322 in words is "eleven billion, six hundred forty-four million, three hundred forty-five thousand, three hundred twenty-two".