9752231989 has 8 divisors (see below), whose sum is σ = 9830066400. Its totient is φ = 9674449200.

The previous prime is 9752231971. The next prime is 9752232031. The reversal of 9752231989 is 9891322579.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9752231989 - 2⁷ = 9752231861 is a prime.

It is a super-2 number, since 2×9752231989² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9752231189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 425187 + ... + 447535.

It is an arithmetic number, because the mean of its divisors is an integer number (1228758300).

Almost surely, 2^9752231989 is an apocalyptic number.

It is an amenable number.

9752231989 is a deficient number, since it is larger than the sum of its proper divisors (77834411).

9752231989 is a wasteful number, since it uses less digits than its factorization.

9752231989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25811.

The product of its digits is 2449440, while the sum is 55.

The square root of 9752231989 is about 98753.3897595419. The cubic root of 9752231989 is about 2136.4923459697.

The spelling of 9752231989 in words is "nine billion, seven hundred fifty-two million, two hundred thirty-one thousand, nine hundred eighty-nine".