673559973801 has 48 divisors (see below), whose sum is σ = 1143125867520. Its totient is φ = 376778856960.

The previous prime is 673559973761. The next prime is 673559973839. The reversal of 673559973801 is 108379955376.

673559973801 is a `hidden beast` number, since 6 + 7 + 3 + 5 + 599 + 7 + 38 + 0 + 1 = 666.

It is not a de Polignac number, because 673559973801 - 2⁷ = 673559973673 is a prime.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (673559973851) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17093560 + ... + 17132918.

It is an arithmetic number, because the mean of its divisors is an integer number (23815122240).

Almost surely, 2^673559973801 is an apocalyptic number.

It is an amenable number.

673559973801 is a deficient number, since it is larger than the sum of its proper divisors (469565893719).

673559973801 is a wasteful number, since it uses less digits than its factorization.

673559973801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52686 (or 52683 counting only the distinct ones).

The product of its (nonzero) digits is 42865200, while the sum is 63.

The spelling of 673559973801 in words is "six hundred seventy-three billion, five hundred fifty-nine million, nine hundred seventy-three thousand, eight hundred one".