13466549477 has 2 divisors, whose sum is σ = 13466549478. Its totient is φ = 13466549476.

The previous prime is 13466549449. The next prime is 13466549539. The reversal of 13466549477 is 77494566431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12897917761 + 568631716 = 113569^2 + 23846^2 .

It is a cyclic number.

It is not a de Polignac number, because 13466549477 - 2⁶ = 13466549413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13466549407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6733274738 + 6733274739.

It is an arithmetic number, because the mean of its divisors is an integer number (6733274739).

Almost surely, 2^13466549477 is an apocalyptic number.

It is an amenable number.

13466549477 is a deficient number, since it is larger than the sum of its proper divisors (1).

13466549477 is an equidigital number, since it uses as much as digits as its factorization.

13466549477 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15240960, while the sum is 56.

The spelling of 13466549477 in words is "thirteen billion, four hundred sixty-six million, five hundred forty-nine thousand, four hundred seventy-seven".