9709452252 has 36 divisors (see below), whose sum is σ = 24611736240. Its totient is φ = 3227464512.

The previous prime is 9709452251. The next prime is 9709452287. The reversal of 9709452252 is 2522549079.

9709452252 is a `hidden beast` number, since 9 + 70 + 9 + 4 + 522 + 52 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 9709452198 and 9709452207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9709452251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 362713 + ... + 388560.

It is an arithmetic number, because the mean of its divisors is an integer number (683659340).

Almost surely, 2^9709452252 is an apocalyptic number.

It is an amenable number.

9709452252 is an abundant number, since it is smaller than the sum of its proper divisors (14902283988).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9709452252 is a wasteful number, since it uses less digits than its factorization.

9709452252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 751642 (or 751637 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 45.

The square root of 9709452252 is about 98536.5528725254. The cubic root of 9709452252 is about 2133.3637441520.

The spelling of 9709452252 in words is "nine billion, seven hundred nine million, four hundred fifty-two thousand, two hundred fifty-two".