683388137952 has 336 divisors, whose sum is σ = 2178775882080. Its totient is φ = 209654148096.

The previous prime is 683388137923. The next prime is 683388137959. The reversal of 683388137952 is 259731883386.

It is a self number, because there is not a number n which added to its sum of digits gives 683388137952.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (683388137959) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 108868638 + ... + 108874914.

It is an arithmetic number, because the mean of its divisors is an integer number (6484452030).

Almost surely, 2^683388137952 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 683388137952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1089387941040).

683388137952 is an abundant number, since it is smaller than the sum of its proper divisors (1495387744128).

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

683388137952 is a wasteful number, since it uses less digits than its factorization.

683388137952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6677 (or 6654 counting only the distinct ones).

The product of its digits is 52254720, while the sum is 63.

The spelling of 683388137952 in words is "six hundred eighty-three billion, three hundred eighty-eight million, one hundred thirty-seven thousand, nine hundred fifty-two".