42443255016553 has 8 divisors (see below), whose sum is σ = 44724588894720. Its totient is φ = 40166668973520.

The previous prime is 42443255016523. The next prime is 42443255016563. The reversal of 42443255016553 is 35561055234424.

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

It is a cyclic number.

It is not a de Polignac number, because 42443255016553 - 2¹⁷ = 42443254885481 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42443255016497 and 42443255016506.

It is not an unprimeable number, because it can be changed into a prime (42443255016523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1186940425 + ... + 1186976182.

It is an arithmetic number, because the mean of its divisors is an integer number (5590573611840).

Almost surely, 2^{42443255016553} is an apocalyptic number.

It is an amenable number.

42443255016553 is a deficient number, since it is larger than the sum of its proper divisors (2281333878167).

42443255016553 is a wasteful number, since it uses less digits than its factorization.

42443255016553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2373917567.

The product of its (nonzero) digits is 8640000, while the sum is 49.

The spelling of 42443255016553 in words is "forty-two trillion, four hundred forty-three billion, two hundred fifty-five million, sixteen thousand, five hundred fifty-three".