43043347013393 has 2 divisors, whose sum is σ = 43043347013394. Its totient is φ = 43043347013392.

The previous prime is 43043347013369. The next prime is 43043347013431. The reversal of 43043347013393 is 39331074334034.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36794511959104 + 6248835054289 = 6065848^2 + 2499767^2 .

It is a cyclic number.

It is not a de Polignac number, because 43043347013393 - 2²⁸ = 43043078577937 is a prime.

It is not a weakly prime, because it can be changed into another prime (43043347013333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21521673506696 + 21521673506697.

It is an arithmetic number, because the mean of its divisors is an integer number (21521673506697).

Almost surely, 2^{43043347013393} is an apocalyptic number.

It is an amenable number.

43043347013393 is a deficient number, since it is larger than the sum of its proper divisors (1).

43043347013393 is an equidigital number, since it uses as much as digits as its factorization.

43043347013393 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2939328, while the sum is 47.

The spelling of 43043347013393 in words is "forty-three trillion, forty-three billion, three hundred forty-seven million, thirteen thousand, three hundred ninety-three".