12773458889 has 2 divisors, whose sum is σ = 12773458890. Its totient is φ = 12773458888.

The previous prime is 12773458883. The next prime is 12773458931. The reversal of 12773458889 is 98885437721.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12028605625 + 744853264 = 109675^2 + 27292^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12773458889 is a prime.

It is a super-2 number, since 2×12773458889² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (12773458883) 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, 6386729444 + 6386729445.

It is an arithmetic number, because the mean of its divisors is an integer number (6386729445).

Almost surely, 2^12773458889 is an apocalyptic number.

It is an amenable number.

12773458889 is a deficient number, since it is larger than the sum of its proper divisors (1).

12773458889 is an equidigital number, since it uses as much as digits as its factorization.

12773458889 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27095040, while the sum is 62.

The spelling of 12773458889 in words is "twelve billion, seven hundred seventy-three million, four hundred fifty-eight thousand, eight hundred eighty-nine".