674789916543 has 8 divisors (see below), whose sum is σ = 899738112000. Its totient is φ = 449850832728.

The previous prime is 674789916509. The next prime is 674789916547. The reversal of 674789916543 is 345619987476.

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

It is not a de Polignac number, because 674789916543 - 2¹⁴ = 674789900159 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674789916547) 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, 2103193 + ... + 2402706.

It is an arithmetic number, because the mean of its divisors is an integer number (112467264000).

Almost surely, 2^674789916543 is an apocalyptic number.

674789916543 is a deficient number, since it is larger than the sum of its proper divisors (224948195457).

674789916543 is a wasteful number, since it uses less digits than its factorization.

674789916543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4555821.

The product of its digits is 274337280, while the sum is 69.

The spelling of 674789916543 in words is "six hundred seventy-four billion, seven hundred eighty-nine million, nine hundred sixteen thousand, five hundred forty-three".