683621332753 has 2 divisors, whose sum is σ = 683621332754. Its totient is φ = 683621332752.

The previous prime is 683621332729. The next prime is 683621332783. The reversal of 683621332753 is 357233126386.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 455129684689 + 228491648064 = 674633^2 + 478008^2 .

It is a cyclic number.

It is not a de Polignac number, because 683621332753 - 2²¹ = 683619235601 is a prime.

It is a super-3 number, since 3×683621332753³ (a number of 36 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 683621332697 and 683621332706.

It is not a weakly prime, because it can be changed into another prime (683621332703) 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 as a sum of consecutive naturals, namely, 341810666376 + 341810666377.

It is an arithmetic number, because the mean of its divisors is an integer number (341810666377).

Almost surely, 2^683621332753 is an apocalyptic number.

It is an amenable number.

683621332753 is a deficient number, since it is larger than the sum of its proper divisors (1).

683621332753 is an equidigital number, since it uses as much as digits as its factorization.

683621332753 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3265920, while the sum is 49.

The spelling of 683621332753 in words is "six hundred eighty-three billion, six hundred twenty-one million, three hundred thirty-two thousand, seven hundred fifty-three".