63391841352 has 384 divisors, whose sum is σ = 210895200000. Its totient is φ = 17635484160.

The previous prime is 63391841321. The next prime is 63391841419. The reversal of 63391841352 is 25314819336.

63391841352 is a `hidden beast` number, since 6 + 339 + 184 + 135 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 63391841298 and 63391841307.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 124541674 + ... + 124542182.

It is an arithmetic number, because the mean of its divisors is an integer number (549206250).

Almost surely, 2^63391841352 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 63391841352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105447600000).

63391841352 is an abundant number, since it is smaller than the sum of its proper divisors (147503358648).

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

63391841352 is a wasteful number, since it uses less digits than its factorization.

63391841352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 627 (or 562 counting only the distinct ones).

The product of its digits is 466560, while the sum is 45.

The spelling of 63391841352 in words is "sixty-three billion, three hundred ninety-one million, eight hundred forty-one thousand, three hundred fifty-two".