14947012217 has 2 divisors, whose sum is σ = 14947012218. Its totient is φ = 14947012216.

The previous prime is 14947012163. The next prime is 14947012253. The reversal of 14947012217 is 71221074941.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13827172921 + 1119839296 = 117589^2 + 33464^2 .

It is a cyclic number.

It is not a de Polignac number, because 14947012217 - 2¹⁰ = 14947011193 is a prime.

It is a super-3 number, since 3×14947012217³ (a number of 32 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (14947012117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7473506108 + 7473506109.

It is an arithmetic number, because the mean of its divisors is an integer number (7473506109).

Almost surely, 2^14947012217 is an apocalyptic number.

It is an amenable number.

14947012217 is a deficient number, since it is larger than the sum of its proper divisors (1).

14947012217 is an equidigital number, since it uses as much as digits as its factorization.

14947012217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28224, while the sum is 38.

The spelling of 14947012217 in words is "fourteen billion, nine hundred forty-seven million, twelve thousand, two hundred seventeen".