9644670000 has 750 divisors, whose sum is σ = 40743917148. Its totient is φ = 2204496000.

The previous prime is 9644669981. The next prime is 9644670023. The reversal of 9644670000 is 764469.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

9644670000 is a `hidden beast` number, since 9 + 644 + 6 + 7 + 0 + 0 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (750).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 149 ways as a sum of consecutive naturals, for example, 1377809997 + ... + 1377810003.

Almost surely, 2^9644670000 is an apocalyptic number.

9644670000 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9644670000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20371958574).

9644670000 is an abundant number, since it is smaller than the sum of its proper divisors (31099247148).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9644670000 is an frugal number, since it uses more digits than its factorization.

9644670000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69 (or 17 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 9644670000 is about 98207.2807891553. The cubic root of 9644670000 is about 2128.6084940384.

The spelling of 9644670000 in words is "nine billion, six hundred forty-four million, six hundred seventy thousand".