63921273071382 has 12 divisors (see below), whose sum is σ = 138496091654700. Its totient is φ = 21307091023788.

The previous prime is 63921273071291. The next prime is 63921273071413. The reversal of 63921273071382 is 28317037212936.

It is a happy number.

63921273071382 is a `hidden beast` number, since 6 + 39 + 212 + 7 + 307 + 13 + 82 = 666.

It is a super-3 number, since 3×63921273071382³ (a number of 42 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1775590918632 + ... + 1775590918667.

It is an arithmetic number, because the mean of its divisors is an integer number (11541340971225).

Almost surely, 2^{63921273071382} is an apocalyptic number.

63921273071382 is an abundant number, since it is smaller than the sum of its proper divisors (74574818583318).

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

63921273071382 is a wasteful number, since it uses less digits than its factorization.

63921273071382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3551181837307 (or 3551181837304 counting only the distinct ones).

The product of its (nonzero) digits is 4572288, while the sum is 54.

The spelling of 63921273071382 in words is "sixty-three trillion, nine hundred twenty-one billion, two hundred seventy-three million, seventy-one thousand, three hundred eighty-two".