13532499887 has 2 divisors, whose sum is σ = 13532499888. Its totient is φ = 13532499886.

The previous prime is 13532499853. The next prime is 13532499889. The reversal of 13532499887 is 78899423531.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13532499887 - 2⁶ = 13532499823 is a prime.

Together with 13532499889, 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 (13532499889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6766249943 + 6766249944.

It is an arithmetic number, because the mean of its divisors is an integer number (6766249944).

Almost surely, 2^13532499887 is an apocalyptic number.

13532499887 is a deficient number, since it is larger than the sum of its proper divisors (1).

13532499887 is an equidigital number, since it uses as much as digits as its factorization.

13532499887 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13063680, while the sum is 59.

The spelling of 13532499887 in words is "thirteen billion, five hundred thirty-two million, four hundred ninety-nine thousand, eight hundred eighty-seven".