273227465326553 has 2 divisors, whose sum is σ = 273227465326554. Its totient is φ = 273227465326552.

The previous prime is 273227465326483. The next prime is 273227465326561. The reversal of 273227465326553 is 355623564722372.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 260689860767449 + 12537604559104 = 16145893^2 + 3540848^2 .

It is a cyclic number.

It is not a de Polignac number, because 273227465326553 - 2¹² = 273227465322457 is a prime.

It is not a weakly prime, because it can be changed into another prime (273227465326583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136613732663276 + 136613732663277.

It is an arithmetic number, because the mean of its divisors is an integer number (136613732663277).

Almost surely, 2^{273227465326553} is an apocalyptic number.

It is an amenable number.

273227465326553 is a deficient number, since it is larger than the sum of its proper divisors (1).

273227465326553 is an equidigital number, since it uses as much as digits as its factorization.

273227465326553 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 381024000, while the sum is 62.

The spelling of 273227465326553 in words is "two hundred seventy-three trillion, two hundred twenty-seven billion, four hundred sixty-five million, three hundred twenty-six thousand, five hundred fifty-three".