2163465606517 has 2 divisors, whose sum is σ = 2163465606518. Its totient is φ = 2163465606516.

The previous prime is 2163465606479. The next prime is 2163465606521. The reversal of 2163465606517 is 7156065643612.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1915348049521 + 248117556996 = 1383961^2 + 498114^2 .

It is a cyclic number.

It is not a de Polignac number, because 2163465606517 - 2⁷ = 2163465606389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2163465609517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1081732803258 + 1081732803259.

It is an arithmetic number, because the mean of its divisors is an integer number (1081732803259).

Almost surely, 2^{2163465606517} is an apocalyptic number.

It is an amenable number.

2163465606517 is a deficient number, since it is larger than the sum of its proper divisors (1).

2163465606517 is an equidigital number, since it uses as much as digits as its factorization.

2163465606517 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5443200, while the sum is 52.

The spelling of 2163465606517 in words is "two trillion, one hundred sixty-three billion, four hundred sixty-five million, six hundred six thousand, five hundred seventeen".