4540439773 has 2 divisors, whose sum is σ = 4540439774. Its totient is φ = 4540439772.

The previous prime is 4540439711. The next prime is 4540439807. The reversal of 4540439773 is 3779340454.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2753940484 + 1786499289 = 52478^2 + 42267^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4540439773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4540439173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2270219886 + 2270219887.

It is an arithmetic number, because the mean of its divisors is an integer number (2270219887).

Almost surely, 2^4540439773 is an apocalyptic number.

It is an amenable number.

4540439773 is a deficient number, since it is larger than the sum of its proper divisors (1).

4540439773 is an equidigital number, since it uses as much as digits as its factorization.

4540439773 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1270080, while the sum is 46.

The square root of 4540439773 is about 67382.7854351540. The cubic root of 4540439773 is about 1655.8944089529.

The spelling of 4540439773 in words is "four billion, five hundred forty million, four hundred thirty-nine thousand, seven hundred seventy-three".