273200532381 has 18 divisors (see below), whose sum is σ = 459051235422. Its totient is φ = 156114589680.

The previous prime is 273200532347. The next prime is 273200532419. The reversal of 273200532381 is 183235002372.

273200532381 is a `hidden beast` number, since 2 + 7 + 320 + 0 + 5 + 323 + 8 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 214979668281 + 58220864100 = 463659^2 + 241290^2 .

It is not a de Polignac number, because 273200532381 - 2¹⁴ = 273200515997 is a prime.

It is a super-2 number, since 2×273200532381² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (273200530381) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 309750730 + ... + 309751611.

Almost surely, 2^273200532381 is an apocalyptic number.

273200532381 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

273200532381 is a deficient number, since it is larger than the sum of its proper divisors (185850703041).

273200532381 is a wasteful number, since it uses less digits than its factorization.

273200532381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 619502361 (or 619502351 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The spelling of 273200532381 in words is "two hundred seventy-three billion, two hundred million, five hundred thirty-two thousand, three hundred eighty-one".