273812381 has 8 divisors (see below), whose sum is σ = 277423104. Its totient is φ = 270224640.

The previous prime is 273812359. The next prime is 273812389. The reversal of 273812381 is 183218372.

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 273812381 - 2¹⁰ = 273811357 is a prime.

It is a super-2 number, since 2×273812381² = 149946439977778322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (273812389) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18926 + ... + 30096.

It is an arithmetic number, because the mean of its divisors is an integer number (34677888).

Almost surely, 2^273812381 is an apocalyptic number.

It is an amenable number.

273812381 is a deficient number, since it is larger than the sum of its proper divisors (3610723).

273812381 is a wasteful number, since it uses less digits than its factorization.

273812381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11491.

The product of its digits is 16128, while the sum is 35.

The square root of 273812381 is about 16547.2771476156. The cubic root of 273812381 is about 649.3582470714.

The spelling of 273812381 in words is "two hundred seventy-three million, eight hundred twelve thousand, three hundred eighty-one".