273450740121 has 24 divisors (see below), whose sum is σ = 425557868736. Its totient is φ = 168202193760.

The previous prime is 273450740119. The next prime is 273450740137. The reversal of 273450740121 is 121047054372.

273450740121 is a `hidden beast` number, since 27 + 3 + 4 + 507 + 4 + 0 + 121 = 666.

It is not a de Polignac number, because 273450740121 - 2¹ = 273450740119 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (273450740221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 258565 + ... + 783426.

It is an arithmetic number, because the mean of its divisors is an integer number (17731577864).

Almost surely, 2^273450740121 is an apocalyptic number.

It is an amenable number.

273450740121 is a deficient number, since it is larger than the sum of its proper divisors (152107128615).

273450740121 is a wasteful number, since it uses less digits than its factorization.

273450740121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1044253 (or 1044250 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

Adding to 273450740121 its reverse (121047054372), we get a palindrome (394497794493).

The spelling of 273450740121 in words is "two hundred seventy-three billion, four hundred fifty million, seven hundred forty thousand, one hundred twenty-one".