63468886436 has 18 divisors (see below), whose sum is σ = 117988442418. Its totient is φ = 29867710720.

The previous prime is 63468886387. The next prime is 63468886463.

It is a happy number.

63468886436 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 3 ways, for example, as 9223681600 + 54245204836 = 96040^2 + 232906^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27450785 + ... + 27453096.

Almost surely, 2^63468886436 is an apocalyptic number.

It is an amenable number.

63468886436 is a deficient number, since it is larger than the sum of its proper divisors (54519555982).

63468886436 is a wasteful number, since it uses less digits than its factorization.

63468886436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54903919 (or 54903900 counting only the distinct ones).

The product of its digits is 95551488, while the sum is 62.

The spelling of 63468886436 in words is "sixty-three billion, four hundred sixty-eight million, eight hundred eighty-six thousand, four hundred thirty-six".