13456553387 has 2 divisors, whose sum is σ = 13456553388. Its totient is φ = 13456553386.

The previous prime is 13456553339. The next prime is 13456553389. The reversal of 13456553387 is 78335565431.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13456553387 - 2⁶ = 13456553323 is a prime.

Together with 13456553389, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13456553389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6728276693 + 6728276694.

It is an arithmetic number, because the mean of its divisors is an integer number (6728276694).

Almost surely, 2^13456553387 is an apocalyptic number.

13456553387 is a deficient number, since it is larger than the sum of its proper divisors (1).

13456553387 is an equidigital number, since it uses as much as digits as its factorization.

13456553387 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4536000, while the sum is 50.

The spelling of 13456553387 in words is "thirteen billion, four hundred fifty-six million, five hundred fifty-three thousand, three hundred eighty-seven".