65048313981420 has 576 divisors, whose sum is σ = 252435757077504. Its totient is φ = 13164752240640.

The previous prime is 65048313981397. The next prime is 65048313981421. The reversal of 65048313981420 is 2418931384056.

It is a happy number.

65048313981420 is a `hidden beast` number, since 6 + 5 + 0 + 4 + 8 + 3 + 139 + 81 + 420 = 666.

It is not an unprimeable number, because it can be changed into a prime (65048313981421) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 210226344 + ... + 210535536.

It is an arithmetic number, because the mean of its divisors is an integer number (438256522704).

Almost surely, 2^{65048313981420} is an apocalyptic number.

65048313981420 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65048313981420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126217878538752).

65048313981420 is an abundant number, since it is smaller than the sum of its proper divisors (187387443096084).

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

65048313981420 is a wasteful number, since it uses less digits than its factorization.

65048313981420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309622 (or 309617 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 54.

The spelling of 65048313981420 in words is "sixty-five trillion, forty-eight billion, three hundred thirteen million, nine hundred eighty-one thousand, four hundred twenty".