12769948553 has 2 divisors, whose sum is σ = 12769948554. Its totient is φ = 12769948552.

The previous prime is 12769948423. The next prime is 12769948573. The reversal of 12769948553 is 35584996721.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9369659209 + 3400289344 = 96797^2 + 58312^2 .

It is a cyclic number.

It is not a de Polignac number, because 12769948553 - 2¹⁸ = 12769686409 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12769948492 and 12769948501.

It is not a weakly prime, because it can be changed into another prime (12769948573) 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, 6384974276 + 6384974277.

It is an arithmetic number, because the mean of its divisors is an integer number (6384974277).

Almost surely, 2^12769948553 is an apocalyptic number.

It is an amenable number.

12769948553 is a deficient number, since it is larger than the sum of its proper divisors (1).

12769948553 is an equidigital number, since it uses as much as digits as its factorization.

12769948553 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16329600, while the sum is 59.

The spelling of 12769948553 in words is "twelve billion, seven hundred sixty-nine million, nine hundred forty-eight thousand, five hundred fifty-three".