6382421712 has 30 divisors (see below), whose sum is σ = 17861916722. Its totient is φ = 2127473856.

The previous prime is 6382421711. The next prime is 6382421719. The reversal of 6382421712 is 2171242836.

It is a happy number.

6382421712 is a `hidden beast` number, since 638 + 2 + 4 + 2 + 1 + 7 + 12 = 666.

It can be written as a sum of positive squares in only one way, i.e., 6381453456 + 968256 = 79884^2 + 984^2 .

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6382421711) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22161043 + ... + 22161330.

Almost surely, 2^6382421712 is an apocalyptic number.

It is an amenable number.

6382421712 is an abundant number, since it is smaller than the sum of its proper divisors (11479495010).

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

6382421712 is a wasteful number, since it uses less digits than its factorization.

6382421712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44322387 (or 44322378 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 6382421712 is about 79890.0601576942. The cubic root of 6382421712 is about 1854.9341584630.

The spelling of 6382421712 in words is "six billion, three hundred eighty-two million, four hundred twenty-one thousand, seven hundred twelve".