9412881641 has 2 divisors, whose sum is σ = 9412881642. Its totient is φ = 9412881640.

The previous prime is 9412881631. The next prime is 9412881689. The reversal of 9412881641 is 1461882149.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8350121641 + 1062760000 = 91379^2 + 32600^2 .

It is a cyclic number.

It is not a de Polignac number, because 9412881641 - 2³⁰ = 8339139817 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 9412881592 and 9412881601.

It is not a weakly prime, because it can be changed into another prime (9412881601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4706440820 + 4706440821.

It is an arithmetic number, because the mean of its divisors is an integer number (4706440821).

Almost surely, 2^9412881641 is an apocalyptic number.

It is an amenable number.

9412881641 is a deficient number, since it is larger than the sum of its proper divisors (1).

9412881641 is an equidigital number, since it uses as much as digits as its factorization.

9412881641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 110592, while the sum is 44.

The square root of 9412881641 is about 97020.0063955883. The cubic root of 9412881641 is about 2111.4179010686.

The spelling of 9412881641 in words is "nine billion, four hundred twelve million, eight hundred eighty-one thousand, six hundred forty-one".