6421159000 has 32 divisors (see below), whose sum is σ = 15025514400. Its totient is φ = 2568463200.

The previous prime is 6421158967. The next prime is 6421159009. The reversal of 6421159000 is 9511246.

It is a self number, because there is not a number n which added to its sum of digits gives 6421159000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6421159009) 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, 3209580 + ... + 3211579.

It is an arithmetic number, because the mean of its divisors is an integer number (469547325).

Almost surely, 2^6421159000 is an apocalyptic number.

It is an amenable number.

6421159000 is an abundant number, since it is smaller than the sum of its proper divisors (8604355400).

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

6421159000 is a wasteful number, since it uses less digits than its factorization.

6421159000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6421180 (or 6421166 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 6421159000 is about 80132.1346277509. The cubic root of 6421159000 is about 1858.6793531217.

The spelling of 6421159000 in words is "six billion, four hundred twenty-one million, one hundred fifty-nine thousand".