9621964607 has 8 divisors (see below), whose sum is σ = 9992494800. Its totient is φ = 9254017024.

The previous prime is 9621964579. The next prime is 9621964637. The reversal of 9621964607 is 7064691269.

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 9621964607 - 2¹⁴ = 9621948223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9621964637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 638057 + ... + 652962.

It is an arithmetic number, because the mean of its divisors is an integer number (1249061850).

Almost surely, 2^9621964607 is an apocalyptic number.

9621964607 is a deficient number, since it is larger than the sum of its proper divisors (370530193).

9621964607 is a wasteful number, since it uses less digits than its factorization.

9621964607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1291305.

The product of its (nonzero) digits is 979776, while the sum is 50.

The square root of 9621964607 is about 98091.6133367170. The cubic root of 9621964607 is about 2126.9367980379.

The spelling of 9621964607 in words is "nine billion, six hundred twenty-one million, nine hundred sixty-four thousand, six hundred seven".