9909734452 has 24 divisors (see below), whose sum is σ = 18370142280. Its totient is φ = 4661376000.

The previous prime is 9909734447. The next prime is 9909734473. The reversal of 9909734452 is 2544379099.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2081731876 + 7828002576 = 45626^2 + 88476^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 9909734452.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131952 + ... + 192952.

It is an arithmetic number, because the mean of its divisors is an integer number (765422595).

Almost surely, 2^9909734452 is an apocalyptic number.

It is an amenable number.

9909734452 is a deficient number, since it is larger than the sum of its proper divisors (8460407828).

9909734452 is a wasteful number, since it uses less digits than its factorization.

9909734452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63411 (or 63409 counting only the distinct ones).

The product of its (nonzero) digits is 2449440, while the sum is 52.

The square root of 9909734452 is about 99547.6491535586. The cubic root of 9909734452 is about 2147.9327128627.

The spelling of 9909734452 in words is "nine billion, nine hundred nine million, seven hundred thirty-four thousand, four hundred fifty-two".