13442309843 has 2 divisors, whose sum is σ = 13442309844. Its totient is φ = 13442309842.

The previous prime is 13442309831. The next prime is 13442309857. The reversal of 13442309843 is 34890324431.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13442309843 - 2²⁸ = 13173874387 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13442309843.

It is not a weakly prime, because it can be changed into another prime (13442309893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6721154921 + 6721154922.

It is an arithmetic number, because the mean of its divisors is an integer number (6721154922).

Almost surely, 2^13442309843 is an apocalyptic number.

13442309843 is a deficient number, since it is larger than the sum of its proper divisors (1).

13442309843 is an equidigital number, since it uses as much as digits as its factorization.

13442309843 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 248832, while the sum is 41.

The spelling of 13442309843 in words is "thirteen billion, four hundred forty-two million, three hundred nine thousand, eight hundred forty-three".