11622544849 has 2 divisors, whose sum is σ = 11622544850. Its totient is φ = 11622544848.

The previous prime is 11622544837. The next prime is 11622544907. The reversal of 11622544849 is 94844522611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11010724624 + 611820225 = 104932^2 + 24735^2 .

It is a cyclic number.

It is not a de Polignac number, because 11622544849 - 2⁷ = 11622544721 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11622544799 and 11622544808.

It is not a weakly prime, because it can be changed into another prime (11622542849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5811272424 + 5811272425.

It is an arithmetic number, because the mean of its divisors is an integer number (5811272425).

Almost surely, 2^11622544849 is an apocalyptic number.

It is an amenable number.

11622544849 is a deficient number, since it is larger than the sum of its proper divisors (1).

11622544849 is an equidigital number, since it uses as much as digits as its factorization.

11622544849 is an evil number, because the sum of its binary digits is even.

The product of its digits is 552960, while the sum is 46.

The spelling of 11622544849 in words is "eleven billion, six hundred twenty-two million, five hundred forty-four thousand, eight hundred forty-nine".