7550442009 has 12 divisors (see below), whose sum is σ = 11897666352. Its totient is φ = 4576025400.

The previous prime is 7550441971. The next prime is 7550442013. The reversal of 7550442009 is 9002440557.

It is not a de Polignac number, because 7550442009 - 2¹² = 7550437913 is a prime.

It is a super-3 number, since 3×7550442009³ (a number of 31 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (7550442019) 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 11 ways as a sum of consecutive naturals, for example, 38133447 + ... + 38133644.

It is an arithmetic number, because the mean of its divisors is an integer number (991472196).

Almost surely, 2^7550442009 is an apocalyptic number.

It is an amenable number.

7550442009 is a deficient number, since it is larger than the sum of its proper divisors (4347224343).

7550442009 is a wasteful number, since it uses less digits than its factorization.

7550442009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76267108 (or 76267105 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 7550442009 is about 86893.2794236700. The cubic root of 7550442009 is about 1961.8123255975.

The spelling of 7550442009 in words is "seven billion, five hundred fifty million, four hundred forty-two thousand, nine".