1366424243005 has 8 divisors (see below), whose sum is σ = 1696250784600. Its totient is φ = 1055444932416.

The previous prime is 1366424242991. The next prime is 1366424243027. The reversal of 1366424243005 is 5003424246631.

It can be written as a sum of positive squares in 4 ways, for example, as 251716937796 + 1114707305209 = 501714^2 + 1055797^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1366424243005 - 2⁵ = 1366424242973 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4711807590 + ... + 4711807879.

It is an arithmetic number, because the mean of its divisors is an integer number (212031348075).

Almost surely, 2^{1366424243005} is an apocalyptic number.

It is an amenable number.

1366424243005 is a deficient number, since it is larger than the sum of its proper divisors (329826541595).

1366424243005 is an equidigital number, since it uses as much as digits as its factorization.

1366424243005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9423615503.

The product of its (nonzero) digits is 414720, while the sum is 40.

Adding to 1366424243005 its reverse (5003424246631), we get a palindrome (6369848489636).

The spelling of 1366424243005 in words is "one trillion, three hundred sixty-six billion, four hundred twenty-four million, two hundred forty-three thousand, five".