673928480435571 has 12 divisors (see below), whose sum is σ = 974635059066448. Its totient is φ = 448739741524464.

The previous prime is 673928480435563. The next prime is 673928480435611. The reversal of 673928480435571 is 175534084829376.

673928480435571 is a `hidden beast` number, since 6 + 7 + 3 + 9 + 2 + 8 + 4 + 8 + 0 + 43 + 5 + 571 = 666.

It is not a de Polignac number, because 673928480435571 - 2³ = 673928480435563 is a prime.

It is a super-2 number, since 2×673928480435571² (a number of 30 digits) contains 22 as substring.

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 673928480435571.

It is not an unprimeable number, because it can be changed into a prime (673928480035571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45492667120 + ... + 45492681933.

It is a 2-persistent number, because it is pandigital, and so is 2⋅673928480435571 = 1347856960871142, but 3⋅673928480435571 = 2021785441306713 is not.

Almost surely, 2^{673928480435571} is an apocalyptic number.

673928480435571 is a deficient number, since it is larger than the sum of its proper divisors (300706578630877).

673928480435571 is a wasteful number, since it uses less digits than its factorization.

673928480435571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90985349882 (or 90985349879 counting only the distinct ones).

The product of its (nonzero) digits is 1219276800, while the sum is 72.

The spelling of 673928480435571 in words is "six hundred seventy-three trillion, nine hundred twenty-eight billion, four hundred eighty million, four hundred thirty-five thousand, five hundred seventy-one".