671606044219 has 16 divisors (see below), whose sum is σ = 758001719520. Its totient is φ = 589438044160.

The previous prime is 671606044217. The next prime is 671606044237. The reversal of 671606044219 is 912440606176.

It is a cyclic number.

It is not a de Polignac number, because 671606044219 - 2¹ = 671606044217 is a prime.

It is a super-2 number, since 2×671606044219² (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 (671606044217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3227229 + ... + 3429025.

It is an arithmetic number, because the mean of its divisors is an integer number (47375107470).

Almost surely, 2^671606044219 is an apocalyptic number.

671606044219 is a deficient number, since it is larger than the sum of its proper divisors (86395675301).

671606044219 is a wasteful number, since it uses less digits than its factorization.

671606044219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212270.

The product of its (nonzero) digits is 435456, while the sum is 46.

The spelling of 671606044219 in words is "six hundred seventy-one billion, six hundred six million, forty-four thousand, two hundred nineteen".