8959946289 has 16 divisors (see below), whose sum is σ = 13681302528. Its totient is φ = 5109450192.

The previous prime is 8959946267. The next prime is 8959946293. The reversal of 8959946289 is 9826499598.

It is not a de Polignac number, because 8959946289 - 2⁵ = 8959946257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8959946689) 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, 427827 + ... + 448280.

It is an arithmetic number, because the mean of its divisors is an integer number (855081408).

Almost surely, 2^8959946289 is an apocalyptic number.

It is an amenable number.

8959946289 is a deficient number, since it is larger than the sum of its proper divisors (4721356239).

8959946289 is a wasteful number, since it uses less digits than its factorization.

8959946289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 876604.

The product of its digits is 100776960, while the sum is 69.

The square root of 8959946289 is about 94656.9928161676. The cubic root of 8959946289 is about 2076.9934905231.

The spelling of 8959946289 in words is "eight billion, nine hundred fifty-nine million, nine hundred forty-six thousand, two hundred eighty-nine".