64006620009 has 8 divisors (see below), whose sum is σ = 85540171392. Its totient is φ = 42572074320.

The previous prime is 64006620001. The next prime is 64006620023. The reversal of 64006620009 is 90002660046.

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

It is not a de Polignac number, because 64006620009 - 2³ = 64006620001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64006620001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24749914 + ... + 24752499.

It is an arithmetic number, because the mean of its divisors is an integer number (10692521424).

Almost surely, 2^64006620009 is an apocalyptic number.

It is an amenable number.

64006620009 is a deficient number, since it is larger than the sum of its proper divisors (21533551383).

64006620009 is a wasteful number, since it uses less digits than its factorization.

64006620009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49502847.

The product of its (nonzero) digits is 15552, while the sum is 33.

The spelling of 64006620009 in words is "sixty-four billion, six million, six hundred twenty thousand, nine".