13444636343 has 2 divisors, whose sum is σ = 13444636344. Its totient is φ = 13444636342.

The previous prime is 13444636307. The next prime is 13444636351. The reversal of 13444636343 is 34363644431.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13444636343 - 2⁶ = 13444636279 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13444636343.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13444636943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6722318171 + 6722318172.

It is an arithmetic number, because the mean of its divisors is an integer number (6722318172).

Almost surely, 2^13444636343 is an apocalyptic number.

13444636343 is a deficient number, since it is larger than the sum of its proper divisors (1).

13444636343 is an equidigital number, since it uses as much as digits as its factorization.

13444636343 is an evil number, because the sum of its binary digits is even.

The product of its digits is 746496, while the sum is 41.

The spelling of 13444636343 in words is "thirteen billion, four hundred forty-four million, six hundred thirty-six thousand, three hundred forty-three".