543365105399 has 2 divisors, whose sum is σ = 543365105400. Its totient is φ = 543365105398.

The previous prime is 543365105333. The next prime is 543365105447. The reversal of 543365105399 is 993501563345.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 543365105399 - 2²⁴ = 543348328183 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 543365105399.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (543365105329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271682552699 + 271682552700.

It is an arithmetic number, because the mean of its divisors is an integer number (271682552700).

Almost surely, 2^543365105399 is an apocalyptic number.

543365105399 is a deficient number, since it is larger than the sum of its proper divisors (1).

543365105399 is an equidigital number, since it uses as much as digits as its factorization.

543365105399 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6561000, while the sum is 53.

The spelling of 543365105399 in words is "five hundred forty-three billion, three hundred sixty-five million, one hundred five thousand, three hundred ninety-nine".