63816065043802 has 16 divisors (see below), whose sum is σ = 96213095867592. Its totient is φ = 31745043489600.

The previous prime is 63816065043713. The next prime is 63816065043821. The reversal of 63816065043802 is 20834056061836.

63816065043802 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 51773076013201 + 12042989030601 = 7195351^2 + 3470301^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 63816065043802.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9760552 + ... + 14929852.

Almost surely, 2^{63816065043802} is an apocalyptic number.

63816065043802 is a deficient number, since it is larger than the sum of its proper divisors (32397030823790).

63816065043802 is a wasteful number, since it uses less digits than its factorization.

63816065043802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5200833.

The product of its (nonzero) digits is 4976640, while the sum is 52.

The spelling of 63816065043802 in words is "sixty-three trillion, eight hundred sixteen billion, sixty-five million, forty-three thousand, eight hundred two".