10442490881 has 2 divisors, whose sum is σ = 10442490882. Its totient is φ = 10442490880.

The previous prime is 10442490847. The next prime is 10442490893. The reversal of 10442490881 is 18809424401.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9592243600 + 850247281 = 97940^2 + 29159^2 .

It is an emirp because it is prime and its reverse (18809424401) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10442490881 - 2¹⁰ = 10442489857 is a prime.

It is a super-2 number, since 2×10442490881² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10442490841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5221245440 + 5221245441.

It is an arithmetic number, because the mean of its divisors is an integer number (5221245441).

Almost surely, 2^10442490881 is an apocalyptic number.

It is an amenable number.

10442490881 is a deficient number, since it is larger than the sum of its proper divisors (1).

10442490881 is an equidigital number, since it uses as much as digits as its factorization.

10442490881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 73728, while the sum is 41.

The spelling of 10442490881 in words is "ten billion, four hundred forty-two million, four hundred ninety thousand, eight hundred eighty-one".