682784740949 has 2 divisors, whose sum is σ = 682784740950. Its totient is φ = 682784740948.

The previous prime is 682784740931. The next prime is 682784740969. The reversal of 682784740949 is 949047487286.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 540717562225 + 142067178724 = 735335^2 + 376918^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-682784740949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (682784740969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 341392370474 + 341392370475.

It is an arithmetic number, because the mean of its divisors is an integer number (341392370475).

Almost surely, 2^682784740949 is an apocalyptic number.

It is an amenable number.

682784740949 is a deficient number, since it is larger than the sum of its proper divisors (1).

682784740949 is an equidigital number, since it uses as much as digits as its factorization.

682784740949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 195084288, while the sum is 68.

The spelling of 682784740949 in words is "six hundred eighty-two billion, seven hundred eighty-four million, seven hundred forty thousand, nine hundred forty-nine".