13399343953 has 2 divisors, whose sum is σ = 13399343954. Its totient is φ = 13399343952.

The previous prime is 13399343941. The next prime is 13399343963. The reversal of 13399343953 is 35934399331.

13399343953 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8705449809 + 4693894144 = 93303^2 + 68512^2 .

It is an emirp because it is prime and its reverse (35934399331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13399343953 - 2²¹ = 13397246801 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13399343953.

It is not a weakly prime, because it can be changed into another prime (13399343963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6699671976 + 6699671977.

It is an arithmetic number, because the mean of its divisors is an integer number (6699671977).

Almost surely, 2^13399343953 is an apocalyptic number.

It is an amenable number.

13399343953 is a deficient number, since it is larger than the sum of its proper divisors (1).

13399343953 is an equidigital number, since it uses as much as digits as its factorization.

13399343953 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3542940, while the sum is 52.

The spelling of 13399343953 in words is "thirteen billion, three hundred ninety-nine million, three hundred forty-three thousand, nine hundred fifty-three".