12265409389 has 2 divisors, whose sum is σ = 12265409390. Its totient is φ = 12265409388.

The previous prime is 12265409383. The next prime is 12265409393. The reversal of 12265409389 is 98390456221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12112763364 + 152646025 = 110058^2 + 12355^2 .

It is a cyclic number.

It is not a de Polignac number, because 12265409389 - 2³ = 12265409381 is a prime.

It is a super-3 number, since 3×12265409389³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12265409381) 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, 6132704694 + 6132704695.

It is an arithmetic number, because the mean of its divisors is an integer number (6132704695).

Almost surely, 2^12265409389 is an apocalyptic number.

It is an amenable number.

12265409389 is a deficient number, since it is larger than the sum of its proper divisors (1).

12265409389 is an equidigital number, since it uses as much as digits as its factorization.

12265409389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 933120, while the sum is 49.

The spelling of 12265409389 in words is "twelve billion, two hundred sixty-five million, four hundred nine thousand, three hundred eighty-nine".