10645440623089 has 2 divisors, whose sum is σ = 10645440623090. Its totient is φ = 10645440623088.

The previous prime is 10645440623087. The next prime is 10645440623107. The reversal of 10645440623089 is 98032604454601.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10287158169600 + 358282453489 = 3207360^2 + 598567^2 .

It is a cyclic number.

It is not a de Polignac number, because 10645440623089 - 2¹ = 10645440623087 is a prime.

It is a super-2 number, since 2×10645440623089² (a number of 27 digits) contains 22 as substring.

Together with 10645440623087, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (10645440623087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5322720311544 + 5322720311545.

It is an arithmetic number, because the mean of its divisors is an integer number (5322720311545).

Almost surely, 2^{10645440623089} is an apocalyptic number.

It is an amenable number.

10645440623089 is a deficient number, since it is larger than the sum of its proper divisors (1).

10645440623089 is an equidigital number, since it uses as much as digits as its factorization.

10645440623089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4976640, while the sum is 52.

The spelling of 10645440623089 in words is "ten trillion, six hundred forty-five billion, four hundred forty million, six hundred twenty-three thousand, eighty-nine".