674643344371 has 8 divisors (see below), whose sum is σ = 701036542080. Its totient is φ = 648458788992.

The previous prime is 674643344369. The next prime is 674643344407. The reversal of 674643344371 is 173443346476.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 674643344371 - 2¹ = 674643344369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (674643344321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52153990 + ... + 52166923.

It is an arithmetic number, because the mean of its divisors is an integer number (87629567760).

Almost surely, 2^674643344371 is an apocalyptic number.

674643344371 is a deficient number, since it is larger than the sum of its proper divisors (26393197709).

674643344371 is a wasteful number, since it uses less digits than its factorization.

674643344371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104321165.

The product of its digits is 12192768, while the sum is 52.

The spelling of 674643344371 in words is "six hundred seventy-four billion, six hundred forty-three million, three hundred forty-four thousand, three hundred seventy-one".