10398820517 has 6 divisors (see below), whose sum is σ = 10974932838. Its totient is φ = 9851513832.

The previous prime is 10398820499. The next prime is 10398820541. The reversal of 10398820517 is 71502889301.

10398820517 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 8158786276 + 2240034241 = 90326^2 + 47329^2 .

It is not a de Polignac number, because 10398820517 - 2¹⁴ = 10398804133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10398820417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14402438 + ... + 14403159.

It is an arithmetic number, because the mean of its divisors is an integer number (1829155473).

Almost surely, 2^10398820517 is an apocalyptic number.

It is an amenable number.

10398820517 is a deficient number, since it is larger than the sum of its proper divisors (576112321).

10398820517 is an equidigital number, since it uses as much as digits as its factorization.

10398820517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28805635 (or 28805616 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 44.

The spelling of 10398820517 in words is "ten billion, three hundred ninety-eight million, eight hundred twenty thousand, five hundred seventeen".