2544785385773 has 2 divisors, whose sum is σ = 2544785385774. Its totient is φ = 2544785385772.

The previous prime is 2544785385739. The next prime is 2544785385859. The reversal of 2544785385773 is 3775835874452.

It is a happy number.

2544785385773 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2428601209609 + 116184176164 = 1558397^2 + 340858^2 .

It is a cyclic number.

It is not a de Polignac number, because 2544785385773 - 2¹⁴ = 2544785369389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2544785385733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1272392692886 + 1272392692887.

It is an arithmetic number, because the mean of its divisors is an integer number (1272392692887).

Almost surely, 2^{2544785385773} is an apocalyptic number.

It is an amenable number.

2544785385773 is a deficient number, since it is larger than the sum of its proper divisors (1).

2544785385773 is an equidigital number, since it uses as much as digits as its factorization.

2544785385773 is an evil number, because the sum of its binary digits is even.

The product of its digits is 790272000, while the sum is 68.

The spelling of 2544785385773 in words is "two trillion, five hundred forty-four billion, seven hundred eighty-five million, three hundred eighty-five thousand, seven hundred seventy-three".