13996435399 has 2 divisors, whose sum is σ = 13996435400. Its totient is φ = 13996435398.

The previous prime is 13996435379. The next prime is 13996435459. The reversal of 13996435399 is 99353469931.

It is a weak prime.

It is an emirp because it is prime and its reverse (99353469931) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13996435399 - 2²⁷ = 13862217671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13996435379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6998217699 + 6998217700.

It is an arithmetic number, because the mean of its divisors is an integer number (6998217700).

Almost surely, 2^13996435399 is an apocalyptic number.

13996435399 is a deficient number, since it is larger than the sum of its proper divisors (1).

13996435399 is an equidigital number, since it uses as much as digits as its factorization.

13996435399 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21257640, while the sum is 61.

The spelling of 13996435399 in words is "thirteen billion, nine hundred ninety-six million, four hundred thirty-five thousand, three hundred ninety-nine".