63634522023646 has 8 divisors (see below), whose sum is σ = 109087752040560. Its totient is φ = 27271938010128.

The previous prime is 63634522023577. The next prime is 63634522023649. The reversal of 63634522023646 is 64632022543636.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 63634522023593 and 63634522023602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63634522023649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2272661500831 + ... + 2272661500858.

It is an arithmetic number, because the mean of its divisors is an integer number (13635969005070).

Almost surely, 2^{63634522023646} is an apocalyptic number.

63634522023646 is a deficient number, since it is larger than the sum of its proper divisors (45453230016914).

63634522023646 is a wasteful number, since it uses less digits than its factorization.

63634522023646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4545323001698.

The product of its (nonzero) digits is 22394880, while the sum is 52.

The spelling of 63634522023646 in words is "sixty-three trillion, six hundred thirty-four billion, five hundred twenty-two million, twenty-three thousand, six hundred forty-six".