2054165134249 has 2 divisors, whose sum is σ = 2054165134250. Its totient is φ = 2054165134248.

The previous prime is 2054165134183. The next prime is 2054165134277. The reversal of 2054165134249 is 9424315614502.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1986106759849 + 68058374400 = 1409293^2 + 260880^2 .

It is a cyclic number.

It is not a de Polignac number, because 2054165134249 - 2⁷ = 2054165134121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2054165134199 and 2054165134208.

It is not a weakly prime, because it can be changed into another prime (2054165134279) 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, 1027082567124 + 1027082567125.

It is an arithmetic number, because the mean of its divisors is an integer number (1027082567125).

Almost surely, 2^{2054165134249} is an apocalyptic number.

It is an amenable number.

2054165134249 is a deficient number, since it is larger than the sum of its proper divisors (1).

2054165134249 is an equidigital number, since it uses as much as digits as its factorization.

2054165134249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1036800, while the sum is 46.

The spelling of 2054165134249 in words is "two trillion, fifty-four billion, one hundred sixty-five million, one hundred thirty-four thousand, two hundred forty-nine".