13566377347 has 2 divisors, whose sum is σ = 13566377348. Its totient is φ = 13566377346.

The previous prime is 13566377333. The next prime is 13566377399. The reversal of 13566377347 is 74377366531.

It is an a-pointer prime, because the next prime (13566377399) can be obtained adding 13566377347 to its sum of digits (52).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13566377347 - 2¹⁵ = 13566344579 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13566377294 and 13566377303.

It is not a weakly prime, because it can be changed into another prime (13566377317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6783188673 + 6783188674.

It is an arithmetic number, because the mean of its divisors is an integer number (6783188674).

Almost surely, 2^13566377347 is an apocalyptic number.

13566377347 is a deficient number, since it is larger than the sum of its proper divisors (1).

13566377347 is an equidigital number, since it uses as much as digits as its factorization.

13566377347 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6667920, while the sum is 52.

The spelling of 13566377347 in words is "thirteen billion, five hundred sixty-six million, three hundred seventy-seven thousand, three hundred forty-seven".