2045543223413 has 2 divisors, whose sum is σ = 2045543223414. Its totient is φ = 2045543223412.

The previous prime is 2045543223403. The next prime is 2045543223457. The reversal of 2045543223413 is 3143223455402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2045534969284 + 8254129 = 1430222^2 + 2873^2 .

It is a cyclic number.

It is not a de Polignac number, because 2045543223413 - 2⁶ = 2045543223349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2045543223403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1022771611706 + 1022771611707.

It is an arithmetic number, because the mean of its divisors is an integer number (1022771611707).

Almost surely, 2^{2045543223413} is an apocalyptic number.

It is an amenable number.

2045543223413 is a deficient number, since it is larger than the sum of its proper divisors (1).

2045543223413 is an equidigital number, since it uses as much as digits as its factorization.

2045543223413 is an odious number, because the sum of its binary digits is odd.

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

Adding to 2045543223413 its reverse (3143223455402), we get a palindrome (5188766678815).

The spelling of 2045543223413 in words is "two trillion, forty-five billion, five hundred forty-three million, two hundred twenty-three thousand, four hundred thirteen".