474472343881 has 4 divisors (see below), whose sum is σ = 474488853700. Its totient is φ = 474455834064.

The previous prime is 474472343869. The next prime is 474472343887. The reversal of 474472343881 is 188343274474.

It is a happy number.

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 417982938256 + 56489405625 = 646516^2 + 237675^2 .

It is a cyclic number.

It is not a de Polignac number, because 474472343881 - 2⁹ = 474472343369 is a prime.

It is a super-2 number, since 2×474472343881² (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 (474472343887) 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 3 ways as a sum of consecutive naturals, for example, 8211726 + ... + 8269303.

It is an arithmetic number, because the mean of its divisors is an integer number (118622213425).

Almost surely, 2^474472343881 is an apocalyptic number.

It is an amenable number.

474472343881 is a deficient number, since it is larger than the sum of its proper divisors (16509819).

474472343881 is a wasteful number, since it uses less digits than its factorization.

474472343881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16509818.

The product of its digits is 14450688, while the sum is 55.

The spelling of 474472343881 in words is "four hundred seventy-four billion, four hundred seventy-two million, three hundred forty-three thousand, eight hundred eighty-one".