13552877909 has 2 divisors, whose sum is σ = 13552877910. Its totient is φ = 13552877908.

The previous prime is 13552877869. The next prime is 13552877911. The reversal of 13552877909 is 90977825531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8962408900 + 4590469009 = 94670^2 + 67753^2 .

It is a cyclic number.

It is not a de Polignac number, because 13552877909 - 2¹² = 13552873813 is a prime.

Together with 13552877911, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13552877929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6776438954 + 6776438955.

It is an arithmetic number, because the mean of its divisors is an integer number (6776438955).

Almost surely, 2^13552877909 is an apocalyptic number.

It is an amenable number.

13552877909 is a deficient number, since it is larger than the sum of its proper divisors (1).

13552877909 is an equidigital number, since it uses as much as digits as its factorization.

13552877909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4762800, while the sum is 56.

The spelling of 13552877909 in words is "thirteen billion, five hundred fifty-two million, eight hundred seventy-seven thousand, nine hundred nine".