6463620324 has 72 divisors (see below), whose sum is σ = 18698895488. Its totient is φ = 1844156160.

The previous prime is 6463620323. The next prime is 6463620343. The reversal of 6463620324 is 4230263646.

6463620324 is a `hidden beast` number, since 6 + 4 + 6 + 3 + 620 + 3 + 24 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (6463620323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 165564 + ... + 200844.

Almost surely, 2^6463620324 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 6463620324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9349447744).

6463620324 is an abundant number, since it is smaller than the sum of its proper divisors (12235275164).

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

6463620324 is a wasteful number, since it uses less digits than its factorization.

6463620324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36025 (or 36020 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 36.

The square root of 6463620324 is about 80396.6437359172. The cubic root of 6463620324 is about 1862.7673305687.

The spelling of 6463620324 in words is "six billion, four hundred sixty-three million, six hundred twenty thousand, three hundred twenty-four".