8964646465 has 8 divisors (see below), whose sum is σ = 11390374440. Its totient is φ = 6749851392.

The previous prime is 8964646429. The next prime is 8964646529. The reversal of 8964646465 is 5646464698.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 306530064 + 8658116401 = 17508^2 + 93049^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8964646465 - 2¹¹ = 8964644417 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52733130 + ... + 52733299.

It is an arithmetic number, because the mean of its divisors is an integer number (1423796805).

Almost surely, 2^8964646465 is an apocalyptic number.

8964646465 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

8964646465 is a deficient number, since it is larger than the sum of its proper divisors (2425727975).

8964646465 is a wasteful number, since it uses less digits than its factorization.

8964646465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105466451.

The product of its digits is 29859840, while the sum is 58.

The square root of 8964646465 is about 94681.8169713700. The cubic root of 8964646465 is about 2077.3566075971.

The spelling of 8964646465 in words is "eight billion, nine hundred sixty-four million, six hundred forty-six thousand, four hundred sixty-five".