669900029414617 has 2 divisors, whose sum is σ = 669900029414618. Its totient is φ = 669900029414616.

The previous prime is 669900029414579. The next prime is 669900029414641. The reversal of 669900029414617 is 716414920009966.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 455569580293776 + 214330449120841 = 21344076^2 + 14640029^2 .

It is a cyclic number.

It is not a de Polignac number, because 669900029414617 - 2¹¹ = 669900029412569 is a prime.

It is not a weakly prime, because it can be changed into another prime (669900029414647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 334950014707308 + 334950014707309.

It is an arithmetic number, because the mean of its divisors is an integer number (334950014707309).

Almost surely, 2^{669900029414617} is an apocalyptic number.

It is an amenable number.

669900029414617 is a deficient number, since it is larger than the sum of its proper divisors (1).

669900029414617 is an equidigital number, since it uses as much as digits as its factorization.

669900029414617 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 35271936, while the sum is 64.

The spelling of 669900029414617 in words is "six hundred sixty-nine trillion, nine hundred billion, twenty-nine million, four hundred fourteen thousand, six hundred seventeen".