63321403842 has 12 divisors (see below), whose sum is σ = 137196375030. Its totient is φ = 21107134608.

The previous prime is 63321403829. The next prime is 63321403877. The reversal of 63321403842 is 24830412336.

63321403842 is a `hidden beast` number, since 63 + 3 + 214 + 0 + 384 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 61832292921 + 1489110921 = 248661^2 + 38589^2 .

It is a junction number, because it is equal to n+sod(n) for n = 63321403797 and 63321403806.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1758927867 + ... + 1758927902.

Almost surely, 2^63321403842 is an apocalyptic number.

63321403842 is an abundant number, since it is smaller than the sum of its proper divisors (73874971188).

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

63321403842 is a wasteful number, since it uses less digits than its factorization.

63321403842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3517855777 (or 3517855774 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 36.

The spelling of 63321403842 in words is "sixty-three billion, three hundred twenty-one million, four hundred three thousand, eight hundred forty-two".