12344455779 has 8 divisors (see below), whose sum is σ = 16500321552. Its totient is φ = 8209113600.

The previous prime is 12344455777. The next prime is 12344455793. The reversal of 12344455779 is 97755444321.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12344455779 - 2¹ = 12344455777 is a prime.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (12344455777) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5129494 + ... + 5131899.

It is an arithmetic number, because the mean of its divisors is an integer number (2062540194).

Almost surely, 2^12344455779 is an apocalyptic number.

12344455779 is a deficient number, since it is larger than the sum of its proper divisors (4155865773).

12344455779 is a wasteful number, since it uses less digits than its factorization.

12344455779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10261797.

The product of its digits is 4233600, while the sum is 51.

The spelling of 12344455779 in words is "twelve billion, three hundred forty-four million, four hundred fifty-five thousand, seven hundred seventy-nine".