13917600217 has 2 divisors, whose sum is σ = 13917600218. Its totient is φ = 13917600216.

The previous prime is 13917600091. The next prime is 13917600223. The reversal of 13917600217 is 71200671931.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13725528336 + 192071881 = 117156^2 + 13859^2 .

It is a cyclic number.

It is not a de Polignac number, because 13917600217 - 2⁷ = 13917600089 is a prime.

It is not a weakly prime, because it can be changed into another prime (13917600227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6958800108 + 6958800109.

It is an arithmetic number, because the mean of its divisors is an integer number (6958800109).

Almost surely, 2^13917600217 is an apocalyptic number.

It is an amenable number.

13917600217 is a deficient number, since it is larger than the sum of its proper divisors (1).

13917600217 is an equidigital number, since it uses as much as digits as its factorization.

13917600217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15876, while the sum is 37.

The spelling of 13917600217 in words is "thirteen billion, nine hundred seventeen million, six hundred thousand, two hundred seventeen".