273540546857 has 2 divisors, whose sum is σ = 273540546858. Its totient is φ = 273540546856.

The previous prime is 273540546841. The next prime is 273540546883. The reversal of 273540546857 is 758645045372.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 270419760361 + 3120786496 = 520019^2 + 55864^2 .

It is a cyclic number.

It is not a de Polignac number, because 273540546857 - 2⁴ = 273540546841 is a prime.

It is a super-2 number, since 2×273540546857² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (273540546827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136770273428 + 136770273429.

It is an arithmetic number, because the mean of its divisors is an integer number (136770273429).

Almost surely, 2^273540546857 is an apocalyptic number.

It is an amenable number.

273540546857 is a deficient number, since it is larger than the sum of its proper divisors (1).

273540546857 is an equidigital number, since it uses as much as digits as its factorization.

273540546857 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28224000, while the sum is 56.

The spelling of 273540546857 in words is "two hundred seventy-three billion, five hundred forty million, five hundred forty-six thousand, eight hundred fifty-seven".