9728922452 has 48 divisors (see below), whose sum is σ = 18371480400. Its totient is φ = 4491264000.

The previous prime is 9728922451. The next prime is 9728922461. The reversal of 9728922452 is 2542298279.

It can be written as a sum of positive squares in 8 ways, for example, as 108451396 + 9620471056 = 10414^2 + 98084^2 .

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 9728922452.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9728922451) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1660424 + ... + 1666272.

It is an arithmetic number, because the mean of its divisors is an integer number (382739175).

Almost surely, 2^9728922452 is an apocalyptic number.

It is an amenable number.

9728922452 is a deficient number, since it is larger than the sum of its proper divisors (8642557948).

9728922452 is a wasteful number, since it uses less digits than its factorization.

9728922452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6332 (or 6330 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 50.

The square root of 9728922452 is about 98635.3002327260. The cubic root of 9728922452 is about 2134.7887914183.

The spelling of 9728922452 in words is "nine billion, seven hundred twenty-eight million, nine hundred twenty-two thousand, four hundred fifty-two".