63781849952082 has 96 divisors (see below), whose sum is σ = 144022661939520. Its totient is φ = 21155277669120.

The previous prime is 63781849952003. The next prime is 63781849952083. The reversal of 63781849952082 is 28025994818736.

63781849952082 is a `hidden beast` number, since 6 + 3 + 7 + 8 + 1 + 8 + 4 + 99 + 520 + 8 + 2 = 666.

It is a super-2 number, since 2×63781849952082² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 63781849952082.

It is not an unprimeable number, because it can be changed into a prime (63781849952083) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 491438094 + ... + 491567862.

It is an arithmetic number, because the mean of its divisors is an integer number (1500236061870).

It is a 1-persistent number, because it is pandigital, but 2⋅63781849952082 = 127563699904164 is not.

Almost surely, 2^{63781849952082} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63781849952082, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72011330969760).

63781849952082 is an abundant number, since it is smaller than the sum of its proper divisors (80240811987438).

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

63781849952082 is a wasteful number, since it uses less digits than its factorization.

63781849952082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134790 (or 134778 counting only the distinct ones).

The product of its (nonzero) digits is 418037760, while the sum is 72.

The spelling of 63781849952082 in words is "sixty-three trillion, seven hundred eighty-one billion, eight hundred forty-nine million, nine hundred fifty-two thousand, eighty-two".