12345779024469 has 24 divisors (see below), whose sum is σ = 20598305113152. Its totient is φ = 7042155592320.

The previous prime is 12345779024443. The next prime is 12345779024483. The reversal of 12345779024469 is 96442097754321.

12345779024469 is a `hidden beast` number, since 1 + 2 + 34 + 5 + 77 + 90 + 2 + 446 + 9 = 666.

It is not a de Polignac number, because 12345779024469 - 2¹² = 12345779020373 is a prime.

It is a super-2 number, since 2×12345779024469² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12345779024489) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3667787689 + ... + 3667791054.

It is an arithmetic number, because the mean of its divisors is an integer number (858262713048).

Almost surely, 2^{12345779024469} is an apocalyptic number.

It is an amenable number.

12345779024469 is a deficient number, since it is larger than the sum of its proper divisors (8252526088683).

12345779024469 is a wasteful number, since it uses less digits than its factorization.

12345779024469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7335578777 (or 7335578774 counting only the distinct ones).

The product of its (nonzero) digits is 91445760, while the sum is 63.

The spelling of 12345779024469 in words is "twelve trillion, three hundred forty-five billion, seven hundred seventy-nine million, twenty-four thousand, four hundred sixty-nine".