13543344071 has 2 divisors, whose sum is σ = 13543344072. Its totient is φ = 13543344070.

The previous prime is 13543344047. The next prime is 13543344097. The reversal of 13543344071 is 17044334531.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13543344071 - 2⁶ = 13543344007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13543644071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6771672035 + 6771672036.

It is an arithmetic number, because the mean of its divisors is an integer number (6771672036).

Almost surely, 2^13543344071 is an apocalyptic number.

13543344071 is a deficient number, since it is larger than the sum of its proper divisors (1).

13543344071 is an equidigital number, since it uses as much as digits as its factorization.

13543344071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 35.

The spelling of 13543344071 in words is "thirteen billion, five hundred forty-three million, three hundred forty-four thousand, seventy-one".