2043515531243 has 2 divisors, whose sum is σ = 2043515531244. Its totient is φ = 2043515531242.

The previous prime is 2043515531221. The next prime is 2043515531249. The reversal of 2043515531243 is 3421355153402.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2043515531243 - 2⁶ = 2043515531179 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2043515531197 and 2043515531206.

It is not a weakly prime, because it can be changed into another prime (2043515531249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1021757765621 + 1021757765622.

It is an arithmetic number, because the mean of its divisors is an integer number (1021757765622).

Almost surely, 2^{2043515531243} is an apocalyptic number.

2043515531243 is a deficient number, since it is larger than the sum of its proper divisors (1).

2043515531243 is an equidigital number, since it uses as much as digits as its factorization.

2043515531243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216000, while the sum is 38.

The spelling of 2043515531243 in words is "two trillion, forty-three billion, five hundred fifteen million, five hundred thirty-one thousand, two hundred forty-three".