673485908843 has 16 divisors (see below), whose sum is σ = 740147345280. Its totient is φ = 607731259200.

The previous prime is 673485908831. The next prime is 673485908891. The reversal of 673485908843 is 348809584376.

It is a cyclic number.

It is not a de Polignac number, because 673485908843 - 2⁴ = 673485908827 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 673485908843.

It is not an unprimeable number, because it can be changed into a prime (673485908143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24307628 + ... + 24335318.

It is an arithmetic number, because the mean of its divisors is an integer number (46259209080).

Almost surely, 2^673485908843 is an apocalyptic number.

673485908843 is a deficient number, since it is larger than the sum of its proper divisors (66661436437).

673485908843 is a wasteful number, since it uses less digits than its factorization.

673485908843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43978.

The product of its (nonzero) digits is 139345920, while the sum is 65.

The spelling of 673485908843 in words is "six hundred seventy-three billion, four hundred eighty-five million, nine hundred eight thousand, eight hundred forty-three".