6420601000 has 128 divisors (see below), whose sum is σ = 16622910720. Its totient is φ = 2301600000.

The previous prime is 6420600971. The next prime is 6420601013. The reversal of 6420601000 is 1060246.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 776890 + ... + 785110.

It is an arithmetic number, because the mean of its divisors is an integer number (129866490).

Almost surely, 2^6420601000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6420601000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8311455360).

6420601000 is an abundant number, since it is smaller than the sum of its proper divisors (10202309720).

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

6420601000 is a wasteful number, since it uses less digits than its factorization.

6420601000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8324 (or 8310 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 6420601000 is about 80128.6528028520. The cubic root of 6420601000 is about 1858.6255116930.

Adding to 6420601000 its reverse (1060246), we get a palindrome (6421661246).

The spelling of 6420601000 in words is "six billion, four hundred twenty million, six hundred one thousand".