2548557142073 has 2 divisors, whose sum is σ = 2548557142074. Its totient is φ = 2548557142072.

The previous prime is 2548557141943. The next prime is 2548557142099. The reversal of 2548557142073 is 3702417558452.

2548557142073 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1853047845289 + 695509296784 = 1361267^2 + 833972^2 .

It is a cyclic number.

It is not a de Polignac number, because 2548557142073 - 2⁸ = 2548557141817 is a prime.

It is a super-2 number, since 2×2548557142073² (a number of 26 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2548557142973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1274278571036 + 1274278571037.

It is an arithmetic number, because the mean of its divisors is an integer number (1274278571037).

Almost surely, 2^{2548557142073} is an apocalyptic number.

It is an amenable number.

2548557142073 is a deficient number, since it is larger than the sum of its proper divisors (1).

2548557142073 is an equidigital number, since it uses as much as digits as its factorization.

2548557142073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9408000, while the sum is 53.

The spelling of 2548557142073 in words is "two trillion, five hundred forty-eight billion, five hundred fifty-seven million, one hundred forty-two thousand, seventy-three".