42641263563 has 16 divisors (see below), whose sum is σ = 59760032256. Its totient is φ = 26993046080.

The previous prime is 42641263507. The next prime is 42641263583. The reversal of 42641263563 is 36536214624.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 42641263563 - 2⁸ = 42641263307 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42641263583) 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, 2245983 + ... + 2264888.

It is an arithmetic number, because the mean of its divisors is an integer number (3735002016).

Almost surely, 2^42641263563 is an apocalyptic number.

42641263563 is a deficient number, since it is larger than the sum of its proper divisors (17118768693).

42641263563 is a wasteful number, since it uses less digits than its factorization.

42641263563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4511034.

The product of its digits is 622080, while the sum is 42.

The spelling of 42641263563 in words is "forty-two billion, six hundred forty-one million, two hundred sixty-three thousand, five hundred sixty-three".