13143564347 has 2 divisors, whose sum is σ = 13143564348. Its totient is φ = 13143564346.

The previous prime is 13143564319. The next prime is 13143564437. The reversal of 13143564347 is 74346534131.

Together with next prime (13143564437) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13143564347 - 2⁶ = 13143564283 is a prime.

It is not a weakly prime, because it can be changed into another prime (13143564647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6571782173 + 6571782174.

It is an arithmetic number, because the mean of its divisors is an integer number (6571782174).

Almost surely, 2^13143564347 is an apocalyptic number.

13143564347 is a deficient number, since it is larger than the sum of its proper divisors (1).

13143564347 is an equidigital number, since it uses as much as digits as its factorization.

13143564347 is an evil number, because the sum of its binary digits is even.

The product of its digits is 362880, while the sum is 41.

The spelling of 13143564347 in words is "thirteen billion, one hundred forty-three million, five hundred sixty-four thousand, three hundred forty-seven".