671038265743 has 4 divisors (see below), whose sum is σ = 671140238328. Its totient is φ = 670936293160.

The previous prime is 671038265713. The next prime is 671038265767. The reversal of 671038265743 is 347562830176.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 671038265743 - 2²⁹ = 670501394831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (671038265713) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50976421 + ... + 50989582.

It is an arithmetic number, because the mean of its divisors is an integer number (167785059582).

Almost surely, 2^671038265743 is an apocalyptic number.

671038265743 is a deficient number, since it is larger than the sum of its proper divisors (101972585).

671038265743 is a wasteful number, since it uses less digits than its factorization.

671038265743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101972584.

The product of its (nonzero) digits is 5080320, while the sum is 52.

The spelling of 671038265743 in words is "six hundred seventy-one billion, thirty-eight million, two hundred sixty-five thousand, seven hundred forty-three".