1000043342293 has 2 divisors, whose sum is σ = 1000043342294. Its totient is φ = 1000043342292.

The previous prime is 1000043342281. The next prime is 1000043342387. The reversal of 1000043342293 is 3922433400001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 992320799409 + 7722542884 = 996153^2 + 87878^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1000043342293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1000043342393) by changing a digit.

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 as a sum of consecutive naturals, namely, 500021671146 + 500021671147.

It is an arithmetic number, because the mean of its divisors is an integer number (500021671147).

Almost surely, 2^{1000043342293} is an apocalyptic number.

It is an amenable number.

1000043342293 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000043342293 is an equidigital number, since it uses as much as digits as its factorization.

1000043342293 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 31.

Adding to 1000043342293 its reverse (3922433400001), we get a palindrome (4922476742294).

The spelling of 1000043342293 in words is "one trillion, forty-three million, three hundred forty-two thousand, two hundred ninety-three".