9851356516 has 9 divisors (see below), whose sum is σ = 17240221299. Its totient is φ = 4925579004.

The previous prime is 9851356477. The next prime is 9851356561. The reversal of 9851356516 is 6156531589.

The square root of 9851356516 is 99254.

It is a perfect power (a square), and thus also a powerful number.

9851356516 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9851356516.

It is an unprimeable number.

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 2 ways as a sum of consecutive naturals, for example, 173695 + ... + 223321.

Almost surely, 2^9851356516 is an apocalyptic number.

9851356516 is the 99254-th square number.

It is an amenable number.

9851356516 is a deficient number, since it is larger than the sum of its proper divisors (7388864783).

9851356516 is an frugal number, since it uses more digits than its factorization.

9851356516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99258 (or 49629 counting only the distinct ones).

The product of its digits is 972000, while the sum is 49.

The cubic root of 9851356516 is about 2143.7066018397.

Multiplying 9851356516 by its sum of digits (49), we get a square (482716469284 = 694778²).

The spelling of 9851356516 in words is "nine billion, eight hundred fifty-one million, three hundred fifty-six thousand, five hundred sixteen".