63445066346644 has 24 divisors (see below), whose sum is σ = 113391983295360. Its totient is φ = 31047366368256.

The previous prime is 63445066346621. The next prime is 63445066346657. The reversal of 63445066346644 is 44664366054436.

63445066346644 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 27303559 + ... + 29535985.

It is an arithmetic number, because the mean of its divisors is an integer number (4724665970640).

Almost surely, 2^{63445066346644} is an apocalyptic number.

It is an amenable number.

63445066346644 is a deficient number, since it is larger than the sum of its proper divisors (49946916948716).

63445066346644 is a wasteful number, since it uses less digits than its factorization.

63445066346644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2383647 (or 2383645 counting only the distinct ones).

The product of its (nonzero) digits is 358318080, while the sum is 61.

The spelling of 63445066346644 in words is "sixty-three trillion, four hundred forty-five billion, sixty-six million, three hundred forty-six thousand, six hundred forty-four".