273228271749 has 12 divisors (see below), whose sum is σ = 404288988012. Its totient is φ = 177709444800.

The previous prime is 273228271699. The next prime is 273228271781. The reversal of 273228271749 is 947172822372.

273228271749 is a `hidden beast` number, since 2 + 7 + 322 + 8 + 271 + 7 + 49 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 117138485025 + 156089786724 = 342255^2 + 395082^2 .

It is not a de Polignac number, because 273228271749 - 2¹⁵ = 273228238981 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 273228271695 and 273228271704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (273228271549) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 370227642 + ... + 370228379.

It is an arithmetic number, because the mean of its divisors is an integer number (33690749001).

Almost surely, 2^273228271749 is an apocalyptic number.

It is an amenable number.

273228271749 is a deficient number, since it is larger than the sum of its proper divisors (131060716263).

273228271749 is a wasteful number, since it uses less digits than its factorization.

273228271749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 740456068 (or 740456065 counting only the distinct ones).

The product of its digits is 4741632, while the sum is 54.

The spelling of 273228271749 in words is "two hundred seventy-three billion, two hundred twenty-eight million, two hundred seventy-one thousand, seven hundred forty-nine".