13143766091 has 2 divisors, whose sum is σ = 13143766092. Its totient is φ = 13143766090.

The previous prime is 13143766079. The next prime is 13143766109. The reversal of 13143766091 is 19066734131.

It is a happy number.

Together with next prime (13143766109) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is an emirp because it is prime and its reverse (19066734131) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13143766091 is a prime.

It is not a weakly prime, because it can be changed into another prime (13143766991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6571883045 + 6571883046.

It is an arithmetic number, because the mean of its divisors is an integer number (6571883046).

Almost surely, 2^13143766091 is an apocalyptic number.

13143766091 is a deficient number, since it is larger than the sum of its proper divisors (1).

13143766091 is an equidigital number, since it uses as much as digits as its factorization.

13143766091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81648, while the sum is 41.

The spelling of 13143766091 in words is "thirteen billion, one hundred forty-three million, seven hundred sixty-six thousand, ninety-one".