12554351246677 has 2 divisors, whose sum is σ = 12554351246678. Its totient is φ = 12554351246676.

The previous prime is 12554351246659. The next prime is 12554351246737. The reversal of 12554351246677 is 77664215345521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8306160325681 + 4248190920996 = 2882041^2 + 2061114^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12554351246677 is a prime.

It is a super-2 number, since 2×12554351246677² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12554351286677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6277175623338 + 6277175623339.

It is an arithmetic number, because the mean of its divisors is an integer number (6277175623339).

Almost surely, 2^{12554351246677} is an apocalyptic number.

It is an amenable number.

12554351246677 is a deficient number, since it is larger than the sum of its proper divisors (1).

12554351246677 is an equidigital number, since it uses as much as digits as its factorization.

12554351246677 is an evil number, because the sum of its binary digits is even.

The product of its digits is 42336000, while the sum is 58.

The spelling of 12554351246677 in words is "twelve trillion, five hundred fifty-four billion, three hundred fifty-one million, two hundred forty-six thousand, six hundred seventy-seven".