2555231544973 has 2 divisors, whose sum is σ = 2555231544974. Its totient is φ = 2555231544972.

The previous prime is 2555231544967. The next prime is 2555231545019. The reversal of 2555231544973 is 3794451325552.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2119898144169 + 435333400804 = 1455987^2 + 659798^2 .

It is a cyclic number.

It is not a de Polignac number, because 2555231544973 - 2¹⁷ = 2555231413901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2555231544913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1277615772486 + 1277615772487.

It is an arithmetic number, because the mean of its divisors is an integer number (1277615772487).

Almost surely, 2^{2555231544973} is an apocalyptic number.

It is an amenable number.

2555231544973 is a deficient number, since it is larger than the sum of its proper divisors (1).

2555231544973 is an equidigital number, since it uses as much as digits as its factorization.

2555231544973 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 22680000, while the sum is 55.

The spelling of 2555231544973 in words is "two trillion, five hundred fifty-five billion, two hundred thirty-one million, five hundred forty-four thousand, nine hundred seventy-three".