680184733537 has 2 divisors, whose sum is σ = 680184733538. Its totient is φ = 680184733536.

The previous prime is 680184733513. The next prime is 680184733603. The reversal of 680184733537 is 735337481086.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 644951941921 + 35232791616 = 803089^2 + 187704^2 .

It is a cyclic number.

It is not a de Polignac number, because 680184733537 - 2³⁵ = 645824995169 is a prime.

It is not a weakly prime, because it can be changed into another prime (680184733037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 340092366768 + 340092366769.

It is an arithmetic number, because the mean of its divisors is an integer number (340092366769).

Almost surely, 2^680184733537 is an apocalyptic number.

It is an amenable number.

680184733537 is a deficient number, since it is larger than the sum of its proper divisors (1).

680184733537 is an equidigital number, since it uses as much as digits as its factorization.

680184733537 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10160640, while the sum is 55.

It can be divided in two parts, 680184 and 733537, that added together give a triangular number (1413721 = T₁₆₈₁).

The spelling of 680184733537 in words is "six hundred eighty billion, one hundred eighty-four million, seven hundred thirty-three thousand, five hundred thirty-seven".