63645766754636 has 12 divisors (see below), whose sum is σ = 121505554713480. Its totient is φ = 28929893979360.

The previous prime is 63645766754629. The next prime is 63645766754677.

63645766754636 is nontrivially palindromic in base 10.

63645766754636 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×63645766754636² (a number of 28 digits) contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 723247349441 + ... + 723247349528.

It is an arithmetic number, because the mean of its divisors is an integer number (10125462892790).

Almost surely, 2^{63645766754636} is an apocalyptic number.

It is an amenable number.

63645766754636 is a deficient number, since it is larger than the sum of its proper divisors (57859787958844).

63645766754636 is a wasteful number, since it uses less digits than its factorization.

63645766754636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1446494698984 (or 1446494698982 counting only the distinct ones).

The product of its digits is 8230118400, while the sum is 74.

The spelling of 63645766754636 in words is "sixty-three trillion, six hundred forty-five billion, seven hundred sixty-six million, seven hundred fifty-four thousand, six hundred thirty-six".