12918460969 has 2 divisors, whose sum is σ = 12918460970. Its totient is φ = 12918460968.

The previous prime is 12918460963. The next prime is 12918461011. The reversal of 12918460969 is 96906481921.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10421959744 + 2496501225 = 102088^2 + 49965^2 .

It is a cyclic number.

It is not a de Polignac number, because 12918460969 - 2²⁹ = 12381590057 is a prime.

It is a super-2 number, since 2×12918460969² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12918460963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6459230484 + 6459230485.

It is an arithmetic number, because the mean of its divisors is an integer number (6459230485).

Almost surely, 2^12918460969 is an apocalyptic number.

It is an amenable number.

12918460969 is a deficient number, since it is larger than the sum of its proper divisors (1).

12918460969 is an equidigital number, since it uses as much as digits as its factorization.

12918460969 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1679616, while the sum is 55.

The spelling of 12918460969 in words is "twelve billion, nine hundred eighteen million, four hundred sixty thousand, nine hundred sixty-nine".