42350636563 has 4 divisors (see below), whose sum is σ = 43495248400. Its totient is φ = 41206024728.

The previous prime is 42350636543. The next prime is 42350636567. The reversal of 42350636563 is 36563605324.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 42350636563 - 2⁹ = 42350636051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42350636567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 572305863 + ... + 572305936.

It is an arithmetic number, because the mean of its divisors is an integer number (10873812100).

Almost surely, 2^42350636563 is an apocalyptic number.

42350636563 is a deficient number, since it is larger than the sum of its proper divisors (1144611837).

42350636563 is a wasteful number, since it uses less digits than its factorization.

42350636563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1144611836.

The product of its (nonzero) digits is 1166400, while the sum is 43.

The spelling of 42350636563 in words is "forty-two billion, three hundred fifty million, six hundred thirty-six thousand, five hundred sixty-three".