285273274473 has 48 divisors (see below), whose sum is σ = 473502144960. Its totient is φ = 163681948800.

The previous prime is 285273274417. The next prime is 285273274487. The reversal of 285273274473 is 374472372582.

285273274473 is a `hidden beast` number, since 2 + 8 + 527 + 3 + 2 + 7 + 44 + 73 = 666.

It is not a de Polignac number, because 285273274473 - 2⁶ = 285273274409 is a prime.

It is a super-2 number, since 2×285273274473² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (285273274493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2757543 + ... + 2859123.

It is an arithmetic number, because the mean of its divisors is an integer number (9864628020).

Almost surely, 2^285273274473 is an apocalyptic number.

It is an amenable number.

285273274473 is a deficient number, since it is larger than the sum of its proper divisors (188228870487).

285273274473 is a wasteful number, since it uses less digits than its factorization.

285273274473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103110 (or 103107 counting only the distinct ones).

The product of its digits is 15805440, while the sum is 54.

The spelling of 285273274473 in words is "two hundred eighty-five billion, two hundred seventy-three million, two hundred seventy-four thousand, four hundred seventy-three".