12454826677 has 2 divisors, whose sum is σ = 12454826678. Its totient is φ = 12454826676.

The previous prime is 12454826653. The next prime is 12454826723. The reversal of 12454826677 is 77662845421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8768636881 + 3686189796 = 93641^2 + 60714^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12454826677 is a prime.

It is a super-2 number, since 2×12454826677² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12454827677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6227413338 + 6227413339.

It is an arithmetic number, because the mean of its divisors is an integer number (6227413339).

Almost surely, 2^12454826677 is an apocalyptic number.

It is an amenable number.

12454826677 is a deficient number, since it is larger than the sum of its proper divisors (1).

12454826677 is an equidigital number, since it uses as much as digits as its factorization.

12454826677 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4515840, while the sum is 52.

The spelling of 12454826677 in words is "twelve billion, four hundred fifty-four million, eight hundred twenty-six thousand, six hundred seventy-seven".