548172998273 has 2 divisors, whose sum is σ = 548172998274. Its totient is φ = 548172998272.

The previous prime is 548172998213. The next prime is 548172998323. The reversal of 548172998273 is 372899271845.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 470751048769 + 77421949504 = 686113^2 + 278248^2 .

It is a cyclic number.

It is not a de Polignac number, because 548172998273 - 2¹² = 548172994177 is a prime.

It is a super-2 number, since 2×548172998273² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (548172998213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 274086499136 + 274086499137.

It is an arithmetic number, because the mean of its divisors is an integer number (274086499137).

Almost surely, 2^548172998273 is an apocalyptic number.

It is an amenable number.

548172998273 is a deficient number, since it is larger than the sum of its proper divisors (1).

548172998273 is an equidigital number, since it uses as much as digits as its factorization.

548172998273 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60963840, while the sum is 65.

The spelling of 548172998273 in words is "five hundred forty-eight billion, one hundred seventy-two million, nine hundred ninety-eight thousand, two hundred seventy-three".