2554304421281 has 2 divisors, whose sum is σ = 2554304421282. Its totient is φ = 2554304421280.

The previous prime is 2554304421247. The next prime is 2554304421289. The reversal of 2554304421281 is 1821244034552.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2328627168256 + 225677253025 = 1525984^2 + 475055^2 .

It is a cyclic number.

It is not a de Polignac number, because 2554304421281 - 2¹⁸ = 2554304159137 is a prime.

It is a super-4 number, since 4×2554304421281⁴ (a number of 51 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (2554304421289) 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, 1277152210640 + 1277152210641.

It is an arithmetic number, because the mean of its divisors is an integer number (1277152210641).

Almost surely, 2^{2554304421281} is an apocalyptic number.

It is an amenable number.

2554304421281 is a deficient number, since it is larger than the sum of its proper divisors (1).

2554304421281 is an equidigital number, since it uses as much as digits as its factorization.

2554304421281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 307200, while the sum is 41.

The spelling of 2554304421281 in words is "two trillion, five hundred fifty-four billion, three hundred four million, four hundred twenty-one thousand, two hundred eighty-one".