10644664013293 has 2 divisors, whose sum is σ = 10644664013294. Its totient is φ = 10644664013292.

The previous prime is 10644664013273. The next prime is 10644664013369. The reversal of 10644664013293 is 39231046644601.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9824576198724 + 820087814569 = 3134418^2 + 905587^2 .

It is a cyclic number.

It is not a de Polignac number, because 10644664013293 - 2⁹ = 10644664012781 is a prime.

It is a super-2 number, since 2×10644664013293² (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 (10644664013233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5322332006646 + 5322332006647.

It is an arithmetic number, because the mean of its divisors is an integer number (5322332006647).

Almost surely, 2^{10644664013293} is an apocalyptic number.

It is an amenable number.

10644664013293 is a deficient number, since it is larger than the sum of its proper divisors (1).

10644664013293 is an equidigital number, since it uses as much as digits as its factorization.

10644664013293 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2239488, while the sum is 49.

The spelling of 10644664013293 in words is "ten trillion, six hundred forty-four billion, six hundred sixty-four million, thirteen thousand, two hundred ninety-three".