6450421300 has 36 divisors (see below), whose sum is σ = 14606002656. Its totient is φ = 2467986400.

The previous prime is 6450421217. The next prime is 6450421301. The reversal of 6450421300 is 31240546.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6450421301) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1399966 + ... + 1404565.

It is an arithmetic number, because the mean of its divisors is an integer number (405722296).

Almost surely, 2^6450421300 is an apocalyptic number.

It is an amenable number.

6450421300 is an abundant number, since it is smaller than the sum of its proper divisors (8155581356).

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

6450421300 is a wasteful number, since it uses less digits than its factorization.

6450421300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2804568 (or 2804561 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 6450421300 is about 80314.5148774491. The cubic root of 6450421300 is about 1861.4985129799.

Adding to 6450421300 its reverse (31240546), we get a palindrome (6481661846).

The spelling of 6450421300 in words is "six billion, four hundred fifty million, four hundred twenty-one thousand, three hundred".