683140505208 has 128 divisors (see below), whose sum is σ = 2143886745600. Its totient is φ = 176870618496.

The previous prime is 683140505207. The next prime is 683140505269. The reversal of 683140505208 is 802505041386.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 683140505208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (683140505207) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4579116 + ... + 4725947.

It is an arithmetic number, because the mean of its divisors is an integer number (16749115200).

Almost surely, 2^683140505208 is an apocalyptic number.

It is an amenable number.

683140505208 is an abundant number, since it is smaller than the sum of its proper divisors (1460746240392).

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

683140505208 is a wasteful number, since it uses less digits than its factorization.

683140505208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9305121 (or 9305117 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 42.

The spelling of 683140505208 in words is "six hundred eighty-three billion, one hundred forty million, five hundred five thousand, two hundred eight".