548454472129 has 2 divisors, whose sum is σ = 548454472130. Its totient is φ = 548454472128.

The previous prime is 548454472127. The next prime is 548454472211. The reversal of 548454472129 is 921274454845.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 363319617600 + 185134854529 = 602760^2 + 430273^2 .

It is a cyclic number.

It is not a de Polignac number, because 548454472129 - 2¹ = 548454472127 is a prime.

Together with 548454472127, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 548454472129.

It is not a weakly prime, because it can be changed into another prime (548454472127) 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, 274227236064 + 274227236065.

It is an arithmetic number, because the mean of its divisors is an integer number (274227236065).

Almost surely, 2^548454472129 is an apocalyptic number.

It is an amenable number.

548454472129 is a deficient number, since it is larger than the sum of its proper divisors (1).

548454472129 is an equidigital number, since it uses as much as digits as its factorization.

548454472129 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12902400, while the sum is 55.

The spelling of 548454472129 in words is "five hundred forty-eight billion, four hundred fifty-four million, four hundred seventy-two thousand, one hundred twenty-nine".