45044433646663 has 16 divisors (see below), whose sum is σ = 49587536476800. Its totient is φ = 40577149795680.

The previous prime is 45044433646627. The next prime is 45044433646679. The reversal of 45044433646663 is 36664633444054.

It is a cyclic number.

It is not a de Polignac number, because 45044433646663 - 2³³ = 45035843712071 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45044433646598 and 45044433646607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45044433686663) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27364828 + ... + 28964161.

It is an arithmetic number, because the mean of its divisors is an integer number (3099221029800).

Almost surely, 2^{45044433646663} is an apocalyptic number.

45044433646663 is a deficient number, since it is larger than the sum of its proper divisors (4543102830137).

45044433646663 is a wasteful number, since it uses less digits than its factorization.

45044433646663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56329662.

The product of its (nonzero) digits is 179159040, while the sum is 58.

The spelling of 45044433646663 in words is "forty-five trillion, forty-four billion, four hundred thirty-three million, six hundred forty-six thousand, six hundred sixty-three".