673552342281 has 48 divisors (see below), whose sum is σ = 1173969949824. Its totient is φ = 339833362176.

The previous prime is 673552342249. The next prime is 673552342291. The reversal of 673552342281 is 182243255376.

It is not a de Polignac number, because 673552342281 - 2⁵ = 673552342249 is a prime.

It is a super-2 number, since 2×673552342281² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 673552342281.

It is not an unprimeable number, because it can be changed into a prime (673552342231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7618236 + ... + 7706141.

It is an arithmetic number, because the mean of its divisors is an integer number (24457707288).

Almost surely, 2^673552342281 is an apocalyptic number.

It is an amenable number.

673552342281 is a deficient number, since it is larger than the sum of its proper divisors (500417607543).

673552342281 is a wasteful number, since it uses less digits than its factorization.

673552342281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15324430 (or 15324423 counting only the distinct ones).

The product of its digits is 2419200, while the sum is 48.

The spelling of 673552342281 in words is "six hundred seventy-three billion, five hundred fifty-two million, three hundred forty-two thousand, two hundred eighty-one".