10664631634309 has 2 divisors, whose sum is σ = 10664631634310. Its totient is φ = 10664631634308.

The previous prime is 10664631634291. The next prime is 10664631634313. The reversal of 10664631634309 is 90343613646601.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7215079488100 + 3449552146209 = 2686090^2 + 1857297^2 .

It is a cyclic number.

It is not a de Polignac number, because 10664631634309 - 2¹⁵ = 10664631601541 is a prime.

It is a super-2 number, since 2×10664631634309² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10664631634339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5332315817154 + 5332315817155.

It is an arithmetic number, because the mean of its divisors is an integer number (5332315817155).

Almost surely, 2^{10664631634309} is an apocalyptic number.

It is an amenable number.

10664631634309 is a deficient number, since it is larger than the sum of its proper divisors (1).

10664631634309 is an equidigital number, since it uses as much as digits as its factorization.

10664631634309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5038848, while the sum is 52.

The spelling of 10664631634309 in words is "ten trillion, six hundred sixty-four billion, six hundred thirty-one million, six hundred thirty-four thousand, three hundred nine".