7538325009 has 16 divisors (see below), whose sum is σ = 10222848000. Its totient is φ = 4940329856.

The previous prime is 7538325007. The next prime is 7538325017. The reversal of 7538325009 is 9005238357.

It is a cyclic number.

It is not a de Polignac number, because 7538325009 - 2¹ = 7538325007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7538325007) 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, 35409 + ... + 127790.

It is an arithmetic number, because the mean of its divisors is an integer number (638928000).

Almost surely, 2^7538325009 is an apocalyptic number.

It is an amenable number.

7538325009 is a deficient number, since it is larger than the sum of its proper divisors (2684522991).

7538325009 is a wasteful number, since it uses less digits than its factorization.

7538325009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163464.

The product of its (nonzero) digits is 226800, while the sum is 42.

The square root of 7538325009 is about 86823.5279690937. The cubic root of 7538325009 is about 1960.7623205173.

The spelling of 7538325009 in words is "seven billion, five hundred thirty-eight million, three hundred twenty-five thousand, nine".