12946740574879 has 2 divisors, whose sum is σ = 12946740574880. Its totient is φ = 12946740574878.

The previous prime is 12946740574853. The next prime is 12946740574913. The reversal of 12946740574879 is 97847504764921.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12946740574879 - 2⁷ = 12946740574751 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12946740574819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6473370287439 + 6473370287440.

It is an arithmetic number, because the mean of its divisors is an integer number (6473370287440).

Almost surely, 2^{12946740574879} is an apocalyptic number.

12946740574879 is a deficient number, since it is larger than the sum of its proper divisors (1).

12946740574879 is an equidigital number, since it uses as much as digits as its factorization.

12946740574879 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 853493760, while the sum is 73.

The spelling of 12946740574879 in words is "twelve trillion, nine hundred forty-six billion, seven hundred forty million, five hundred seventy-four thousand, eight hundred seventy-nine".