63826543516 has 24 divisors (see below), whose sum is σ = 117708791760. Its totient is φ = 30199276800.

The previous prime is 63826543511. The next prime is 63826543531. The reversal of 63826543516 is 61534562836.

It is a self number, because there is not a number n which added to its sum of digits gives 63826543516.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63826543511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 409675 + ... + 543586.

It is an arithmetic number, because the mean of its divisors is an integer number (4904532990).

Almost surely, 2^63826543516 is an apocalyptic number.

It is an amenable number.

63826543516 is a deficient number, since it is larger than the sum of its proper divisors (53882248244).

63826543516 is a wasteful number, since it uses less digits than its factorization.

63826543516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 954165 (or 954163 counting only the distinct ones).

The product of its digits is 3110400, while the sum is 49.

The spelling of 63826543516 in words is "sixty-three billion, eight hundred twenty-six million, five hundred forty-three thousand, five hundred sixteen".