671004826605703 has 4 divisors (see below), whose sum is σ = 671005276566520. Its totient is φ = 671004376644888.

The previous prime is 671004826605689. The next prime is 671004826605767. The reversal of 671004826605703 is 307506628400176.

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 671004826605703 - 2²⁹ = 671004289734791 is a prime.

It is a super-2 number, since 2×671004826605703² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (671004856605703) 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, 222736068 + ... + 225728521.

It is an arithmetic number, because the mean of its divisors is an integer number (167751319141630).

Almost surely, 2^{671004826605703} is an apocalyptic number.

671004826605703 is a deficient number, since it is larger than the sum of its proper divisors (449960817).

671004826605703 is a wasteful number, since it uses less digits than its factorization.

671004826605703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449960816.

The product of its (nonzero) digits is 10160640, while the sum is 55.

The spelling of 671004826605703 in words is "six hundred seventy-one trillion, four billion, eight hundred twenty-six million, six hundred five thousand, seven hundred three".