13243142587 has 2 divisors, whose sum is σ = 13243142588. Its totient is φ = 13243142586.

The previous prime is 13243142543. The next prime is 13243142597. The reversal of 13243142587 is 78524134231.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13243142587 - 2⁷ = 13243142459 is a prime.

It is a super-2 number, since 2×13243142587² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13243142597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6621571293 + 6621571294.

It is an arithmetic number, because the mean of its divisors is an integer number (6621571294).

Almost surely, 2^13243142587 is an apocalyptic number.

13243142587 is a deficient number, since it is larger than the sum of its proper divisors (1).

13243142587 is an equidigital number, since it uses as much as digits as its factorization.

13243142587 is an evil number, because the sum of its binary digits is even.

The product of its digits is 161280, while the sum is 40.

The spelling of 13243142587 in words is "thirteen billion, two hundred forty-three million, one hundred forty-two thousand, five hundred eighty-seven".