683621332783 has 2 divisors, whose sum is σ = 683621332784. Its totient is φ = 683621332782.

The previous prime is 683621332753. The next prime is 683621332787. The reversal of 683621332783 is 387233126386.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 683621332783 - 2¹³ = 683621324591 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 683621332783.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (683621332787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 341810666391 + 341810666392.

It is an arithmetic number, because the mean of its divisors is an integer number (341810666392).

Almost surely, 2^683621332783 is an apocalyptic number.

683621332783 is a deficient number, since it is larger than the sum of its proper divisors (1).

683621332783 is an equidigital number, since it uses as much as digits as its factorization.

683621332783 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5225472, while the sum is 52.

The spelling of 683621332783 in words is "six hundred eighty-three billion, six hundred twenty-one million, three hundred thirty-two thousand, seven hundred eighty-three".