12655783069 has 2 divisors, whose sum is σ = 12655783070. Its totient is φ = 12655783068.

The previous prime is 12655783039. The next prime is 12655783079. The reversal of 12655783069 is 96038755621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12020491044 + 635292025 = 109638^2 + 25205^2 .

It is a cyclic number.

It is not a de Polignac number, because 12655783069 - 2¹³ = 12655774877 is a prime.

It is a super-2 number, since 2×12655783069² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12655783039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6327891534 + 6327891535.

It is an arithmetic number, because the mean of its divisors is an integer number (6327891535).

Almost surely, 2^12655783069 is an apocalyptic number.

It is an amenable number.

12655783069 is a deficient number, since it is larger than the sum of its proper divisors (1).

12655783069 is an equidigital number, since it uses as much as digits as its factorization.

12655783069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2721600, while the sum is 52.

The spelling of 12655783069 in words is "twelve billion, six hundred fifty-five million, seven hundred eighty-three thousand, sixty-nine".