273849385793 has 2 divisors, whose sum is σ = 273849385794. Its totient is φ = 273849385792.

The previous prime is 273849385769. The next prime is 273849385829. The reversal of 273849385793 is 397583948372.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 224896938289 + 48952447504 = 474233^2 + 221252^2 .

It is a cyclic number.

It is not a de Polignac number, because 273849385793 - 2⁶ = 273849385729 is a prime.

It is not a weakly prime, because it can be changed into another prime (273849385993) 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, 136924692896 + 136924692897.

It is an arithmetic number, because the mean of its divisors is an integer number (136924692897).

Almost surely, 2^273849385793 is an apocalyptic number.

It is an amenable number.

273849385793 is a deficient number, since it is larger than the sum of its proper divisors (1).

273849385793 is an equidigital number, since it uses as much as digits as its factorization.

273849385793 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 274337280, while the sum is 68.

The spelling of 273849385793 in words is "two hundred seventy-three billion, eight hundred forty-nine million, three hundred eighty-five thousand, seven hundred ninety-three".