12354403040813 has 2 divisors, whose sum is σ = 12354403040814. Its totient is φ = 12354403040812.

The previous prime is 12354403040797. The next prime is 12354403040843. The reversal of 12354403040813 is 31804030445321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7497941868169 + 4856461172644 = 2738237^2 + 2203738^2 .

It is a cyclic number.

It is not a de Polignac number, because 12354403040813 - 2⁴ = 12354403040797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12354403040843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6177201520406 + 6177201520407.

It is an arithmetic number, because the mean of its divisors is an integer number (6177201520407).

Almost surely, 2^{12354403040813} is an apocalyptic number.

It is an amenable number.

12354403040813 is a deficient number, since it is larger than the sum of its proper divisors (1).

12354403040813 is an equidigital number, since it uses as much as digits as its factorization.

12354403040813 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 138240, while the sum is 38.

The spelling of 12354403040813 in words is "twelve trillion, three hundred fifty-four billion, four hundred three million, forty thousand, eight hundred thirteen".