12740340561407 has 2 divisors, whose sum is σ = 12740340561408. Its totient is φ = 12740340561406.

The previous prime is 12740340561353. The next prime is 12740340561467. The reversal of 12740340561407 is 70416504304721.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12740340561407 - 2²² = 12740336367103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12740340561467) 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, 6370170280703 + 6370170280704.

It is an arithmetic number, because the mean of its divisors is an integer number (6370170280704).

Almost surely, 2^{12740340561407} is an apocalyptic number.

12740340561407 is a deficient number, since it is larger than the sum of its proper divisors (1).

12740340561407 is an equidigital number, since it uses as much as digits as its factorization.

12740340561407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 564480, while the sum is 44.

The spelling of 12740340561407 in words is "twelve trillion, seven hundred forty billion, three hundred forty million, five hundred sixty-one thousand, four hundred seven".