13423500691 has 2 divisors, whose sum is σ = 13423500692. Its totient is φ = 13423500690.

The previous prime is 13423500677. The next prime is 13423500721. The reversal of 13423500691 is 19600532431.

It is a weak prime.

It is an emirp because it is prime and its reverse (19600532431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13423500691 - 2¹¹ = 13423498643 is a prime.

It is not a weakly prime, because it can be changed into another prime (13423500661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6711750345 + 6711750346.

It is an arithmetic number, because the mean of its divisors is an integer number (6711750346).

Almost surely, 2^13423500691 is an apocalyptic number.

13423500691 is a deficient number, since it is larger than the sum of its proper divisors (1).

13423500691 is an equidigital number, since it uses as much as digits as its factorization.

13423500691 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19440, while the sum is 34.

The spelling of 13423500691 in words is "thirteen billion, four hundred twenty-three million, five hundred thousand, six hundred ninety-one".