671704381484 has 12 divisors (see below), whose sum is σ = 1175490830808. Its totient is φ = 335849858400.

The previous prime is 671704381471. The next prime is 671704381487. The reversal of 671704381484 is 484183407176.

It is a super-2 number, since 2×671704381484² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (671704381487) 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, 174179 + ... + 1172069.

It is an arithmetic number, because the mean of its divisors is an integer number (97957569234).

Almost surely, 2^671704381484 is an apocalyptic number.

It is an amenable number.

671704381484 is a deficient number, since it is larger than the sum of its proper divisors (503786449324).

671704381484 is a wasteful number, since it uses less digits than its factorization.

671704381484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1166176 (or 1166174 counting only the distinct ones).

The product of its (nonzero) digits is 3612672, while the sum is 53.

The spelling of 671704381484 in words is "six hundred seventy-one billion, seven hundred four million, three hundred eighty-one thousand, four hundred eighty-four".