273782345748543 has 12 divisors (see below), whose sum is σ = 395530655498160. Its totient is φ = 182490517434816.

The previous prime is 273782345748481. The next prime is 273782345748547. The reversal of 273782345748543 is 345847543287372.

273782345748543 is a `hidden beast` number, since 2 + 7 + 3 + 7 + 8 + 2 + 3 + 4 + 5 + 74 + 8 + 543 = 666.

It is not a de Polignac number, because 273782345748543 - 2¹² = 273782345744447 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (273782345748547) 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, 2587143946 + ... + 2587249767.

It is an arithmetic number, because the mean of its divisors is an integer number (32960887958180).

Almost surely, 2^{273782345748543} is an apocalyptic number.

273782345748543 is a deficient number, since it is larger than the sum of its proper divisors (121748309749617).

273782345748543 is a wasteful number, since it uses less digits than its factorization.

273782345748543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5174399598 (or 5174399595 counting only the distinct ones).

The product of its digits is 3793305600, while the sum is 72.

The spelling of 273782345748543 in words is "two hundred seventy-three trillion, seven hundred eighty-two billion, three hundred forty-five million, seven hundred forty-eight thousand, five hundred forty-three".