671473443810 has 64 divisors (see below), whose sum is σ = 1735756928640. Its totient is φ = 165261358080.

The previous prime is 671473443791. The next prime is 671473443821. The reversal of 671473443810 is 18344374176.

It is a super-2 number, since 2×671473443810² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 671473443810.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2591121 + ... + 2838459.

It is an arithmetic number, because the mean of its divisors is an integer number (27121202010).

Almost surely, 2^671473443810 is an apocalyptic number.

671473443810 is an abundant number, since it is smaller than the sum of its proper divisors (1064283484830).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

671473443810 is a wasteful number, since it uses less digits than its factorization.

671473443810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254323.

The product of its (nonzero) digits is 1354752, while the sum is 48.

The spelling of 671473443810 in words is "six hundred seventy-one billion, four hundred seventy-three million, four hundred forty-three thousand, eight hundred ten".