2045544373 has 2 divisors, whose sum is σ = 2045544374. Its totient is φ = 2045544372.

The previous prime is 2045544341. The next prime is 2045544437. The reversal of 2045544373 is 3734455402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1442252529 + 603291844 = 37977^2 + 24562^2 .

It is a cyclic number.

It is not a de Polignac number, because 2045544373 - 2⁵ = 2045544341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2045544323) 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, 1022772186 + 1022772187.

It is an arithmetic number, because the mean of its divisors is an integer number (1022772187).

Almost surely, 2^2045544373 is an apocalyptic number.

It is an amenable number.

2045544373 is a deficient number, since it is larger than the sum of its proper divisors (1).

2045544373 is an equidigital number, since it uses as much as digits as its factorization.

2045544373 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 201600, while the sum is 37.

The square root of 2045544373 is about 45227.6947566422. The cubic root of 2045544373 is about 1269.4130780465.

Adding to 2045544373 its reverse (3734455402), we get a palindrome (5779999775).

The spelling of 2045544373 in words is "two billion, forty-five million, five hundred forty-four thousand, three hundred seventy-three".