9489812946916 has 27 divisors (see below), whose sum is σ = 17199904554651. Its totient is φ = 4581202753344.

The previous prime is 9489812946863. The next prime is 9489812946937. The reversal of 9489812946916 is 6196492189849.

The square root of 9489812946916 is 3080554.

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

It can be written as a sum of positive squares in 4 ways, for example, as 6517332900 + 9483295614016 = 80730^2 + 3079496^2 .

It is a super-2 number, since 2×9489812946916² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 178645576 + ... + 178698688.

Almost surely, 2^{9489812946916} is an apocalyptic number.

9489812946916 is the 3080554-th square number.

It is an amenable number.

9489812946916 is a deficient number, since it is larger than the sum of its proper divisors (7710091607735).

9489812946916 is an frugal number, since it uses more digits than its factorization.

9489812946916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106288 (or 53144 counting only the distinct ones).

The product of its digits is 483729408, while the sum is 76.

The spelling of 9489812946916 in words is "nine trillion, four hundred eighty-nine billion, eight hundred twelve million, nine hundred forty-six thousand, nine hundred sixteen".