10998744817 has 2 divisors, whose sum is σ = 10998744818. Its totient is φ = 10998744816.

The previous prime is 10998744803. The next prime is 10998744839. The reversal of 10998744817 is 71844789901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10994780736 + 3964081 = 104856^2 + 1991^2 .

It is a cyclic number.

It is not a de Polignac number, because 10998744817 - 2¹⁹ = 10998220529 is a prime.

It is not a weakly prime, because it can be changed into another prime (10998744017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5499372408 + 5499372409.

It is an arithmetic number, because the mean of its divisors is an integer number (5499372409).

Almost surely, 2^10998744817 is an apocalyptic number.

It is an amenable number.

10998744817 is a deficient number, since it is larger than the sum of its proper divisors (1).

10998744817 is an equidigital number, since it uses as much as digits as its factorization.

10998744817 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4064256, while the sum is 58.

The spelling of 10998744817 in words is "ten billion, nine hundred ninety-eight million, seven hundred forty-four thousand, eight hundred seventeen".