673061453536 has 48 divisors (see below), whose sum is σ = 1403116960896. Its totient is φ = 316716568576.

The previous prime is 673061453507. The next prime is 673061453539. The reversal of 673061453536 is 635354160376.

It is a self number, because there is not a number n which added to its sum of digits gives 673061453536.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (673061453539) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16324980 + ... + 16366156.

It is an arithmetic number, because the mean of its divisors is an integer number (29231603352).

Almost surely, 2^673061453536 is an apocalyptic number.

It is an amenable number.

673061453536 is an abundant number, since it is smaller than the sum of its proper divisors (730055507360).

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

673061453536 is a wasteful number, since it uses less digits than its factorization.

673061453536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71251 (or 71243 counting only the distinct ones).

The product of its (nonzero) digits is 4082400, while the sum is 49.

The spelling of 673061453536 in words is "six hundred seventy-three billion, sixty-one million, four hundred fifty-three thousand, five hundred thirty-six".