743344444443313 has 2 divisors, whose sum is σ = 743344444443314. Its totient is φ = 743344444443312.

The previous prime is 743344444443299. The next prime is 743344444443353. The reversal of 743344444443313 is 313344444443347.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 708658846698609 + 34685597744704 = 26620647^2 + 5889448^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-743344444443313 is a prime.

It is not a weakly prime, because it can be changed into another prime (743344444443353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 371672222221656 + 371672222221657.

It is an arithmetic number, because the mean of its divisors is an integer number (371672222221657).

Almost surely, 2^{743344444443313} is an apocalyptic number.

It is an amenable number.

743344444443313 is a deficient number, since it is larger than the sum of its proper divisors (1).

743344444443313 is an equidigital number, since it uses as much as digits as its factorization.

743344444443313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 111476736, while the sum is 55.

The spelling of 743344444443313 in words is "seven hundred forty-three trillion, three hundred forty-four billion, four hundred forty-four million, four hundred forty-three thousand, three hundred thirteen".