671073803671 has 4 divisors (see below), whose sum is σ = 671081135032. Its totient is φ = 671066472312.

The previous prime is 671073803669. The next prime is 671073803689. The reversal of 671073803671 is 176308370176.

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 671073803671 - 2¹ = 671073803669 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 (671073803471) 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, 3526620 + ... + 3712033.

It is an arithmetic number, because the mean of its divisors is an integer number (167770283758).

Almost surely, 2^671073803671 is an apocalyptic number.

671073803671 is a deficient number, since it is larger than the sum of its proper divisors (7331361).

671073803671 is an equidigital number, since it uses as much as digits as its factorization.

671073803671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7331360.

The product of its (nonzero) digits is 889056, while the sum is 49.

The spelling of 671073803671 in words is "six hundred seventy-one billion, seventy-three million, eight hundred three thousand, six hundred seventy-one".