3785544455873 has 2 divisors, whose sum is σ = 3785544455874. Its totient is φ = 3785544455872.

The previous prime is 3785544455839. The next prime is 3785544455911.

It is a happy number.

3785544455873 is nontrivially palindromic in base 10.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2932152796609 + 853391659264 = 1712353^2 + 923792^2 .

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 3785544455873 - 2¹⁴ = 3785544439489 is a prime.

It is not a weakly prime, because it can be changed into another prime (3785544452873) 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, 1892772227936 + 1892772227937.

It is an arithmetic number, because the mean of its divisors is an integer number (1892772227937).

Almost surely, 2^{3785544455873} is an apocalyptic number.

It is an amenable number.

3785544455873 is a deficient number, since it is larger than the sum of its proper divisors (1).

3785544455873 is an equidigital number, since it uses as much as digits as its factorization.

3785544455873 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1128960000, while the sum is 68.

The spelling of 3785544455873 in words is "three trillion, seven hundred eighty-five billion, five hundred forty-four million, four hundred fifty-five thousand, eight hundred seventy-three".