671247912741 has 8 divisors (see below), whose sum is σ = 1022853962304. Its totient is φ = 383570235840.

The previous prime is 671247912739. The next prime is 671247912793. The reversal of 671247912741 is 147219742176.

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

It is not a de Polignac number, because 671247912741 - 2¹ = 671247912739 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (671247912641) 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, 15982093140 + ... + 15982093181.

It is an arithmetic number, because the mean of its divisors is an integer number (127856745288).

Almost surely, 2^671247912741 is an apocalyptic number.

It is an amenable number.

671247912741 is a deficient number, since it is larger than the sum of its proper divisors (351606049563).

671247912741 is a wasteful number, since it uses less digits than its factorization.

671247912741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31964186331.

The product of its digits is 1185408, while the sum is 51.

The spelling of 671247912741 in words is "six hundred seventy-one billion, two hundred forty-seven million, nine hundred twelve thousand, seven hundred forty-one".