473548829681 has 4 divisors (see below), whose sum is σ = 489878099700. Its totient is φ = 457219559664.

The previous prime is 473548829671. The next prime is 473548829701. The reversal of 473548829681 is 186928845374.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 167457734656 + 306091095025 = 409216^2 + 553255^2 .

It is a cyclic number.

It is not a de Polignac number, because 473548829681 - 2¹⁸ = 473548567537 is a prime.

It is a super-2 number, since 2×473548829681² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (473548829671) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8164634966 + ... + 8164635023.

It is an arithmetic number, because the mean of its divisors is an integer number (122469524925).

Almost surely, 2^473548829681 is an apocalyptic number.

It is an amenable number.

473548829681 is a deficient number, since it is larger than the sum of its proper divisors (16329270019).

473548829681 is a wasteful number, since it uses less digits than its factorization.

473548829681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16329270018.

The product of its digits is 92897280, while the sum is 65.

The spelling of 473548829681 in words is "four hundred seventy-three billion, five hundred forty-eight million, eight hundred twenty-nine thousand, six hundred eighty-one".