13229473217 has 2 divisors, whose sum is σ = 13229473218. Its totient is φ = 13229473216.

The previous prime is 13229473211. The next prime is 13229473241. The reversal of 13229473217 is 71237492231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11418204736 + 1811268481 = 106856^2 + 42559^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13229473217 is a prime.

It is not a weakly prime, because it can be changed into another prime (13229473211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6614736608 + 6614736609.

It is an arithmetic number, because the mean of its divisors is an integer number (6614736609).

Almost surely, 2^13229473217 is an apocalyptic number.

It is an amenable number.

13229473217 is a deficient number, since it is larger than the sum of its proper divisors (1).

13229473217 is an equidigital number, since it uses as much as digits as its factorization.

13229473217 is an evil number, because the sum of its binary digits is even.

The product of its digits is 127008, while the sum is 41.

The spelling of 13229473217 in words is "thirteen billion, two hundred twenty-nine million, four hundred seventy-three thousand, two hundred seventeen".