273373877281 has 8 divisors (see below), whose sum is σ = 275047641000. Its totient is φ = 271704572160.

The previous prime is 273373877279. The next prime is 273373877291. The reversal of 273373877281 is 182778373372.

273373877281 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 107610897681 + 165762979600 = 328041^2 + 407140^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 273373877281 - 2¹ = 273373877279 is a prime.

It is a super-2 number, since 2×273373877281² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (273373877221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 991606 + ... + 1236943.

It is an arithmetic number, because the mean of its divisors is an integer number (34380955125).

Almost surely, 2^273373877281 is an apocalyptic number.

It is an amenable number.

273373877281 is a deficient number, since it is larger than the sum of its proper divisors (1673763719).

273373877281 is a wasteful number, since it uses less digits than its factorization.

273373877281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2229299.

The product of its digits is 16595712, while the sum is 58.

The spelling of 273373877281 in words is "two hundred seventy-three billion, three hundred seventy-three million, eight hundred seventy-seven thousand, two hundred eighty-one".