9428441009 has 16 divisors (see below), whose sum is σ = 10755782352. Its totient is φ = 8187568128.

The previous prime is 9428440993. The next prime is 9428441017. The reversal of 9428441009 is 9001448249.

It can be written as a sum of positive squares in 8 ways, for example, as 607474609 + 8820966400 = 24647^2 + 93920^2 .

It is a cyclic number.

It is not a de Polignac number, because 9428441009 - 2⁴ = 9428440993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9428441039) 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 15 ways as a sum of consecutive naturals, for example, 564827 + ... + 581279.

It is an arithmetic number, because the mean of its divisors is an integer number (672236397).

Almost surely, 2^9428441009 is an apocalyptic number.

It is an amenable number.

9428441009 is a deficient number, since it is larger than the sum of its proper divisors (1327341343).

9428441009 is a wasteful number, since it uses less digits than its factorization.

9428441009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19076.

The product of its (nonzero) digits is 82944, while the sum is 41.

The square root of 9428441009 is about 97100.1596754609. The cubic root of 9428441009 is about 2112.5806425292.

The spelling of 9428441009 in words is "nine billion, four hundred twenty-eight million, four hundred forty-one thousand, nine".