1366834522943 has 2 divisors, whose sum is σ = 1366834522944. Its totient is φ = 1366834522942.

The previous prime is 1366834522909. The next prime is 1366834522951. The reversal of 1366834522943 is 3492254386631.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (3492254386631) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1366834522943 - 2¹⁰ = 1366834521919 is a prime.

It is a super-2 number, since 2×1366834522943² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1366834522243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 683417261471 + 683417261472.

It is an arithmetic number, because the mean of its divisors is an integer number (683417261472).

Almost surely, 2^{1366834522943} is an apocalyptic number.

1366834522943 is a deficient number, since it is larger than the sum of its proper divisors (1).

1366834522943 is an equidigital number, since it uses as much as digits as its factorization.

1366834522943 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22394880, while the sum is 56.

The spelling of 1366834522943 in words is "one trillion, three hundred sixty-six billion, eight hundred thirty-four million, five hundred twenty-two thousand, nine hundred forty-three".