12434520708679 has 2 divisors, whose sum is σ = 12434520708680. Its totient is φ = 12434520708678.

The previous prime is 12434520708559. The next prime is 12434520708689. The reversal of 12434520708679 is 97680702543421.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12434520708679 - 2¹⁵ = 12434520675911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12434520708689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6217260354339 + 6217260354340.

It is an arithmetic number, because the mean of its divisors is an integer number (6217260354340).

It is a 2-persistent number, because it is pandigital, and so is 2⋅12434520708679 = 24869041417358, but 3⋅12434520708679 = 37303562126037 is not.

Almost surely, 2^{12434520708679} is an apocalyptic number.

12434520708679 is a deficient number, since it is larger than the sum of its proper divisors (1).

12434520708679 is an equidigital number, since it uses as much as digits as its factorization.

12434520708679 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20321280, while the sum is 58.

The spelling of 12434520708679 in words is "twelve trillion, four hundred thirty-four billion, five hundred twenty million, seven hundred eight thousand, six hundred seventy-nine".