42500052163 has 4 divisors (see below), whose sum is σ = 43404308640. Its totient is φ = 41595795688.

The previous prime is 42500052157. The next prime is 42500052197. The reversal of 42500052163 is 36125000524.

42500052163 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42500052163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42500052103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 452128168 + ... + 452128261.

It is an arithmetic number, because the mean of its divisors is an integer number (10851077160).

Almost surely, 2^42500052163 is an apocalyptic number.

42500052163 is a deficient number, since it is larger than the sum of its proper divisors (904256477).

42500052163 is an equidigital number, since it uses as much as digits as its factorization.

42500052163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 904256476.

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 42500052163 its reverse (36125000524), we get a palindrome (78625052687).

The spelling of 42500052163 in words is "forty-two billion, five hundred million, fifty-two thousand, one hundred sixty-three".