42063168205389 has 16 divisors (see below), whose sum is σ = 56105131514432. Its totient is φ = 28031659383168.

The previous prime is 42063168205381. The next prime is 42063168205391. The reversal of 42063168205389 is 98350286136024.

It is not a de Polignac number, because 42063168205389 - 2³ = 42063168205381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42063168205381) 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, 221953017 + ... + 222142449.

It is an arithmetic number, because the mean of its divisors is an integer number (3506570719652).

Almost surely, 2^{42063168205389} is an apocalyptic number.

It is an amenable number.

42063168205389 is a deficient number, since it is larger than the sum of its proper divisors (14041963309043).

42063168205389 is a wasteful number, since it uses less digits than its factorization.

42063168205389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216636.

The product of its (nonzero) digits is 14929920, while the sum is 57.

The spelling of 42063168205389 in words is "forty-two trillion, sixty-three billion, one hundred sixty-eight million, two hundred five thousand, three hundred eighty-nine".