9748320989 has 16 divisors (see below), whose sum is σ = 11109242880. Its totient is φ = 8467374960.

The previous prime is 9748320973. The next prime is 9748320997. The reversal of 9748320989 is 9890238479.

It is not a de Polignac number, because 9748320989 - 2⁴ = 9748320973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9748320919) 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, 211544 + ... + 253470.

It is an arithmetic number, because the mean of its divisors is an integer number (694327680).

Almost surely, 2^9748320989 is an apocalyptic number.

It is an amenable number.

9748320989 is a deficient number, since it is larger than the sum of its proper divisors (1360921891).

9748320989 is a wasteful number, since it uses less digits than its factorization.

9748320989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42880.

The product of its (nonzero) digits is 7838208, while the sum is 59.

The square root of 9748320989 is about 98733.5859219141. The cubic root of 9748320989 is about 2136.2067040497.

The spelling of 9748320989 in words is "nine billion, seven hundred forty-eight million, three hundred twenty thousand, nine hundred eighty-nine".