959616009 has 48 divisors (see below), whose sum is σ = 1544524800. Its totient is φ = 569242080.

The previous prime is 959615999. The next prime is 959616011. The reversal of 959616009 is 900616959.

It is not a de Polignac number, because 959616009 - 2¹¹ = 959613961 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (959616019) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1319604 + ... + 1320330.

It is an arithmetic number, because the mean of its divisors is an integer number (32177600).

Almost surely, 2^959616009 is an apocalyptic number.

959616009 is a gapful number since it is divisible by the number (99) formed by its first and last digit.

It is an amenable number.

959616009 is a deficient number, since it is larger than the sum of its proper divisors (584908791).

959616009 is a wasteful number, since it uses less digits than its factorization.

959616009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010 (or 1007 counting only the distinct ones).

The product of its (nonzero) digits is 131220, while the sum is 45.

The square root of 959616009 is about 30977.6695217700. The cubic root of 959616009 is about 986.3532839637.

The spelling of 959616009 in words is "nine hundred fifty-nine million, six hundred sixteen thousand, nine".