646623285001 has 8 divisors (see below), whose sum is σ = 653306361120. Its totient is φ = 639940553088.

The previous prime is 646623284999. The next prime is 646623285017. The reversal of 646623285001 is 100582326646.

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 646623285001 - 2¹ = 646623284999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (646623285601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5664450 + ... + 5777476.

It is an arithmetic number, because the mean of its divisors is an integer number (81663295140).

Almost surely, 2^646623285001 is an apocalyptic number.

It is an amenable number.

646623285001 is a deficient number, since it is larger than the sum of its proper divisors (6683076119).

646623285001 is a wasteful number, since it uses less digits than its factorization.

646623285001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172103.

The product of its (nonzero) digits is 414720, while the sum is 43.

The spelling of 646623285001 in words is "six hundred forty-six billion, six hundred twenty-three million, two hundred eighty-five thousand, one".