14359780217 has 2 divisors, whose sum is σ = 14359780218. Its totient is φ = 14359780216.

The previous prime is 14359780199. The next prime is 14359780229. The reversal of 14359780217 is 71208795341.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8580131641 + 5779648576 = 92629^2 + 76024^2 .

It is a cyclic number.

It is not a de Polignac number, because 14359780217 - 2¹⁴ = 14359763833 is a prime.

It is not a weakly prime, because it can be changed into another prime (14359780247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7179890108 + 7179890109.

It is an arithmetic number, because the mean of its divisors is an integer number (7179890109).

Almost surely, 2^14359780217 is an apocalyptic number.

It is an amenable number.

14359780217 is a deficient number, since it is larger than the sum of its proper divisors (1).

14359780217 is an equidigital number, since it uses as much as digits as its factorization.

14359780217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 423360, while the sum is 47.

The spelling of 14359780217 in words is "fourteen billion, three hundred fifty-nine million, seven hundred eighty thousand, two hundred seventeen".