673413534820 has 48 divisors (see below), whose sum is σ = 1589165867520. Its totient is φ = 237834343296.

The previous prime is 673413534811. The next prime is 673413534823. The reversal of 673413534820 is 28435314376.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is not an unprimeable number, because it can be changed into a prime (673413534823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56299500 + ... + 56311459.

It is an arithmetic number, because the mean of its divisors is an integer number (33107622240).

Almost surely, 2^673413534820 is an apocalyptic number.

It is an amenable number.

673413534820 is an abundant number, since it is smaller than the sum of its proper divisors (915752332700).

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

673413534820 is a wasteful number, since it uses less digits than its factorization.

673413534820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112611004 (or 112611002 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 46.

The spelling of 673413534820 in words is "six hundred seventy-three billion, four hundred thirteen million, five hundred thirty-four thousand, eight hundred twenty".