12454671679 has 2 divisors, whose sum is σ = 12454671680. Its totient is φ = 12454671678.

The previous prime is 12454671643. The next prime is 12454671701. The reversal of 12454671679 is 97617645421.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12454671679 - 2⁹ = 12454671167 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12454671379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6227335839 + 6227335840.

It is an arithmetic number, because the mean of its divisors is an integer number (6227335840).

Almost surely, 2^12454671679 is an apocalyptic number.

12454671679 is a deficient number, since it is larger than the sum of its proper divisors (1).

12454671679 is an equidigital number, since it uses as much as digits as its factorization.

12454671679 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2540160, while the sum is 52.

The spelling of 12454671679 in words is "twelve billion, four hundred fifty-four million, six hundred seventy-one thousand, six hundred seventy-nine".