68463544536486 has 96 divisors (see below), whose sum is σ = 163376135395200. Its totient is φ = 20548111415040.

The previous prime is 68463544536481. The next prime is 68463544536487.

It is a happy number.

68463544536486 is a `hidden beast` number, since 6 + 8 + 4 + 6 + 3 + 5 + 4 + 4 + 536 + 4 + 86 = 666.

68463544536486 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68463544536481) 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, 8563230 + ... + 14500206.

It is an arithmetic number, because the mean of its divisors is an integer number (1701834743700).

Almost surely, 2^{68463544536486} is an apocalyptic number.

68463544536486 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 68463544536486, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81688067697600).

68463544536486 is an abundant number, since it is smaller than the sum of its proper divisors (94912590858714).

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

68463544536486 is a wasteful number, since it uses less digits than its factorization.

68463544536486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5937554 (or 5937551 counting only the distinct ones).

The product of its digits is 4777574400, while the sum is 72.

The spelling of 68463544536486 in words is "sixty-eight trillion, four hundred sixty-three billion, five hundred forty-four million, five hundred thirty-six thousand, four hundred eighty-six".