1043540442353 has 2 divisors, whose sum is σ = 1043540442354. Its totient is φ = 1043540442352.

The previous prime is 1043540442337. The next prime is 1043540442359. The reversal of 1043540442353 is 3532440453401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1034547334129 + 8993108224 = 1017127^2 + 94832^2 .

It is a cyclic number.

It is not a de Polignac number, because 1043540442353 - 2⁴ = 1043540442337 is a prime.

It is not a weakly prime, because it can be changed into another prime (1043540442359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521770221176 + 521770221177.

It is an arithmetic number, because the mean of its divisors is an integer number (521770221177).

Almost surely, 2^{1043540442353} is an apocalyptic number.

It is an amenable number.

1043540442353 is a deficient number, since it is larger than the sum of its proper divisors (1).

1043540442353 is an equidigital number, since it uses as much as digits as its factorization.

1043540442353 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 345600, while the sum is 38.

Adding to 1043540442353 its reverse (3532440453401), we get a palindrome (4575980895754).

The spelling of 1043540442353 in words is "one trillion, forty-three billion, five hundred forty million, four hundred forty-two thousand, three hundred fifty-three".