676722260069 has 2 divisors, whose sum is σ = 676722260070. Its totient is φ = 676722260068.

The previous prime is 676722260059. The next prime is 676722260153. The reversal of 676722260069 is 960062227676.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 525751157569 + 150971102500 = 725087^2 + 388550^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-676722260069 is a prime.

It is a super-2 number, since 2×676722260069² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 676722260069.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (676722260059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 338361130034 + 338361130035.

It is an arithmetic number, because the mean of its divisors is an integer number (338361130035).

Almost surely, 2^676722260069 is an apocalyptic number.

It is an amenable number.

676722260069 is a deficient number, since it is larger than the sum of its proper divisors (1).

676722260069 is an equidigital number, since it uses as much as digits as its factorization.

676722260069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4572288, while the sum is 53.

The spelling of 676722260069 in words is "six hundred seventy-six billion, seven hundred twenty-two million, two hundred sixty thousand, sixty-nine".