11633323309 has 2 divisors, whose sum is σ = 11633323310. Its totient is φ = 11633323308.

The previous prime is 11633323267. The next prime is 11633323321. The reversal of 11633323309 is 90332333611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9833697225 + 1799626084 = 99165^2 + 42422^2 .

It is a cyclic number.

It is not a de Polignac number, because 11633323309 - 2⁹ = 11633322797 is a prime.

It is a super-2 number, since 2×11633323309² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11633323109) by changing a digit.

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, 5816661654 + 5816661655.

It is an arithmetic number, because the mean of its divisors is an integer number (5816661655).

Almost surely, 2^11633323309 is an apocalyptic number.

It is an amenable number.

11633323309 is a deficient number, since it is larger than the sum of its proper divisors (1).

11633323309 is an equidigital number, since it uses as much as digits as its factorization.

11633323309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26244, while the sum is 34.

The spelling of 11633323309 in words is "eleven billion, six hundred thirty-three million, three hundred twenty-three thousand, three hundred nine".