13346474777 has 2 divisors, whose sum is σ = 13346474778. Its totient is φ = 13346474776.

The previous prime is 13346474747. The next prime is 13346474789. The reversal of 13346474777 is 77747464331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10998975376 + 2347499401 = 104876^2 + 48451^2 .

It is a cyclic number.

It is not a de Polignac number, because 13346474777 - 2¹⁴ = 13346458393 is a prime.

It is not a weakly prime, because it can be changed into another prime (13346474747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6673237388 + 6673237389.

It is an arithmetic number, because the mean of its divisors is an integer number (6673237389).

Almost surely, 2^13346474777 is an apocalyptic number.

It is an amenable number.

13346474777 is a deficient number, since it is larger than the sum of its proper divisors (1).

13346474777 is an equidigital number, since it uses as much as digits as its factorization.

13346474777 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8297856, while the sum is 53.

The spelling of 13346474777 in words is "thirteen billion, three hundred forty-six million, four hundred seventy-four thousand, seven hundred seventy-seven".