671043260355441 has 8 divisors (see below), whose sum is σ = 903410991288000. Its totient is φ = 443018851496592.

The previous prime is 671043260355439. The next prime is 671043260355449. The reversal of 671043260355441 is 144553062340176.

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

It is not a de Polignac number, because 671043260355441 - 2¹ = 671043260355439 is a prime.

It is not an unprimeable number, because it can be changed into a prime (671043260355449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1085830518066 + ... + 1085830518683.

It is an arithmetic number, because the mean of its divisors is an integer number (112926373911000).

Almost surely, 2^{671043260355441} is an apocalyptic number.

It is an amenable number.

671043260355441 is a deficient number, since it is larger than the sum of its proper divisors (232367730932559).

671043260355441 is a wasteful number, since it uses less digits than its factorization.

671043260355441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2171661036855.

The product of its (nonzero) digits is 7257600, while the sum is 51.

The spelling of 671043260355441 in words is "six hundred seventy-one trillion, forty-three billion, two hundred sixty million, three hundred fifty-five thousand, four hundred forty-one".