1043001442073 has 2 divisors, whose sum is σ = 1043001442074. Its totient is φ = 1043001442072.

The previous prime is 1043001442069. The next prime is 1043001442177. The reversal of 1043001442073 is 3702441003401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 842039311129 + 200962130944 = 917627^2 + 448288^2 .

It is a cyclic number.

It is not a de Polignac number, because 1043001442073 - 2² = 1043001442069 is a prime.

It is not a weakly prime, because it can be changed into another prime (1043001442033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521500721036 + 521500721037.

It is an arithmetic number, because the mean of its divisors is an integer number (521500721037).

Almost surely, 2^{1043001442073} is an apocalyptic number.

It is an amenable number.

1043001442073 is a deficient number, since it is larger than the sum of its proper divisors (1).

1043001442073 is an equidigital number, since it uses as much as digits as its factorization.

1043001442073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 29.

Adding to 1043001442073 its reverse (3702441003401), we get a palindrome (4745442445474).

The spelling of 1043001442073 in words is "one trillion, forty-three billion, one million, four hundred forty-two thousand, seventy-three".