9728310349732 has 12 divisors (see below), whose sum is σ = 18334123351516. Its totient is φ = 4489989392160.

The previous prime is 9728310349697. The next prime is 9728310349739. The reversal of 9728310349732 is 2379430138279.

It is a happy number.

9728310349732 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 2 ways, for example, as 1990655740836 + 7737654608896 = 1410906^2 + 2781664^2 .

It is a super-4 number, since 4×9728310349732⁴ (a number of 53 digits) contains 4444 as substring.

It is a hoax number, since the sum of its digits (58) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (9728310349739) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93541445619 + ... + 93541445722.

Almost surely, 2^{9728310349732} is an apocalyptic number.

It is an amenable number.

9728310349732 is a deficient number, since it is larger than the sum of its proper divisors (8605813001784).

9728310349732 is a wasteful number, since it uses less digits than its factorization.

9728310349732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187082891358 (or 187082891356 counting only the distinct ones).

The product of its (nonzero) digits is 13716864, while the sum is 58.

The spelling of 9728310349732 in words is "nine trillion, seven hundred twenty-eight billion, three hundred ten million, three hundred forty-nine thousand, seven hundred thirty-two".