12430778193469 has 2 divisors, whose sum is σ = 12430778193470. Its totient is φ = 12430778193468.

The previous prime is 12430778193413. The next prime is 12430778193527. The reversal of 12430778193469 is 96439187703421.

12430778193469 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12275177924025 + 155600269444 = 3503595^2 + 394462^2 .

It is an emirp because it is prime and its reverse (96439187703421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12430778193469 - 2⁷ = 12430778193341 is a prime.

It is a super-2 number, since 2×12430778193469² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12430778193469.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12430778193569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6215389096734 + 6215389096735.

It is an arithmetic number, because the mean of its divisors is an integer number (6215389096735).

Almost surely, 2^{12430778193469} is an apocalyptic number.

It is an amenable number.

12430778193469 is a deficient number, since it is larger than the sum of its proper divisors (1).

12430778193469 is an equidigital number, since it uses as much as digits as its factorization.

12430778193469 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54867456, while the sum is 64.

The spelling of 12430778193469 in words is "twelve trillion, four hundred thirty billion, seven hundred seventy-eight million, one hundred ninety-three thousand, four hundred sixty-nine".