12354465743729 has 2 divisors, whose sum is σ = 12354465743730. Its totient is φ = 12354465743728.

The previous prime is 12354465743701. The next prime is 12354465743759. The reversal of 12354465743729 is 92734756445321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8328262972129 + 4026202771600 = 2885873^2 + 2006540^2 .

It is an emirp because it is prime and its reverse (92734756445321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12354465743729 - 2²⁸ = 12354197308273 is a prime.

It is not a weakly prime, because it can be changed into another prime (12354465743759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6177232871864 + 6177232871865.

It is an arithmetic number, because the mean of its divisors is an integer number (6177232871865).

Almost surely, 2^{12354465743729} is an apocalyptic number.

It is an amenable number.

12354465743729 is a deficient number, since it is larger than the sum of its proper divisors (1).

12354465743729 is an equidigital number, since it uses as much as digits as its factorization.

12354465743729 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 152409600, while the sum is 62.

The spelling of 12354465743729 in words is "twelve trillion, three hundred fifty-four billion, four hundred sixty-five million, seven hundred forty-three thousand, seven hundred twenty-nine".