10240223318621 has 2 divisors, whose sum is σ = 10240223318622. Its totient is φ = 10240223318620.

The previous prime is 10240223318617. The next prime is 10240223318629. The reversal of 10240223318621 is 12681332204201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9863908550596 + 376314768025 = 3140686^2 + 613445^2 .

It is a cyclic number.

It is not a de Polignac number, because 10240223318621 - 2² = 10240223318617 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10240223318629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5120111659310 + 5120111659311.

It is an arithmetic number, because the mean of its divisors is an integer number (5120111659311).

Almost surely, 2^{10240223318621} is an apocalyptic number.

It is an amenable number.

10240223318621 is a deficient number, since it is larger than the sum of its proper divisors (1).

10240223318621 is an equidigital number, since it uses as much as digits as its factorization.

10240223318621 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27648, while the sum is 35.

The spelling of 10240223318621 in words is "ten trillion, two hundred forty billion, two hundred twenty-three million, three hundred eighteen thousand, six hundred twenty-one".