673417921344 has 56 divisors (see below), whose sum is σ = 2036287528128. Its totient is φ = 192405120000.

The previous prime is 673417921321. The next prime is 673417921361. The reversal of 673417921344 is 443129714376.

It is a tau number, because it is divible by the number of its divisors (56).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 250526157 + ... + 250528844.

It is an arithmetic number, because the mean of its divisors is an integer number (36362277288).

Almost surely, 2^673417921344 is an apocalyptic number.

673417921344 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

673417921344 is an abundant number, since it is smaller than the sum of its proper divisors (1362869606784).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

673417921344 is a wasteful number, since it uses less digits than its factorization.

673417921344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501055023 (or 501055013 counting only the distinct ones).

The product of its digits is 3048192, while the sum is 51.

The spelling of 673417921344 in words is "six hundred seventy-three billion, four hundred seventeen million, nine hundred twenty-one thousand, three hundred forty-four".