671044437041 has 8 divisors (see below), whose sum is σ = 732058298400. Its totient is φ = 610032212640.

The previous prime is 671044436981. The next prime is 671044437083. The reversal of 671044437041 is 140734440176.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 671044437041 - 2⁶ = 671044436977 is a prime.

It is a super-2 number, since 2×671044437041² (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 671044437041.

It is not an unprimeable number, because it can be changed into a prime (671044433041) 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 7 ways as a sum of consecutive naturals, for example, 544565 + ... + 1280093.

It is an arithmetic number, because the mean of its divisors is an integer number (91507287300).

Almost surely, 2^671044437041 is an apocalyptic number.

It is an amenable number.

671044437041 is a deficient number, since it is larger than the sum of its proper divisors (61013861359).

671044437041 is a wasteful number, since it uses less digits than its factorization.

671044437041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 818479.

The product of its (nonzero) digits is 225792, while the sum is 41.

The spelling of 671044437041 in words is "six hundred seventy-one billion, forty-four million, four hundred thirty-seven thousand, forty-one".