273280849789 has 2 divisors, whose sum is σ = 273280849790. Its totient is φ = 273280849788.

The previous prime is 273280849783. The next prime is 273280849859. The reversal of 273280849789 is 987948082372.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 183929476900 + 89351372889 = 428870^2 + 298917^2 .

It is a cyclic number.

It is not a de Polignac number, because 273280849789 - 2¹³ = 273280841597 is a prime.

It is a super-2 number, since 2×273280849789² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (273280849783) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136640424894 + 136640424895.

It is an arithmetic number, because the mean of its divisors is an integer number (136640424895).

Almost surely, 2^273280849789 is an apocalyptic number.

It is an amenable number.

273280849789 is a deficient number, since it is larger than the sum of its proper divisors (1).

273280849789 is an equidigital number, since it uses as much as digits as its factorization.

273280849789 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 97542144, while the sum is 67.

The spelling of 273280849789 in words is "two hundred seventy-three billion, two hundred eighty million, eight hundred forty-nine thousand, seven hundred eighty-nine".