13454414545217 has 2 divisors, whose sum is σ = 13454414545218. Its totient is φ = 13454414545216.

The previous prime is 13454414545207. The next prime is 13454414545343. The reversal of 13454414545217 is 71254541445431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7276053077056 + 6178361468161 = 2697416^2 + 2485631^2 .

It is an emirp because it is prime and its reverse (71254541445431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13454414545217 - 2¹⁸ = 13454414283073 is a prime.

It is not a weakly prime, because it can be changed into another prime (13454414545207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6727207272608 + 6727207272609.

It is an arithmetic number, because the mean of its divisors is an integer number (6727207272609).

Almost surely, 2^{13454414545217} is an apocalyptic number.

It is an amenable number.

13454414545217 is a deficient number, since it is larger than the sum of its proper divisors (1).

13454414545217 is an equidigital number, since it uses as much as digits as its factorization.

13454414545217 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5376000, while the sum is 50.

The spelling of 13454414545217 in words is "thirteen trillion, four hundred fifty-four billion, four hundred fourteen million, five hundred forty-five thousand, two hundred seventeen".