42016545635 has 4 divisors (see below), whose sum is σ = 50419854768. Its totient is φ = 33613236504.

The previous prime is 42016545631. The next prime is 42016545647. The reversal of 42016545635 is 53654561024.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 42016545635 - 2² = 42016545631 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42016545592 and 42016545601.

It is not an unprimeable number, because it can be changed into a prime (42016545631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4201654559 + ... + 4201654568.

It is an arithmetic number, because the mean of its divisors is an integer number (12604963692).

Almost surely, 2^42016545635 is an apocalyptic number.

42016545635 is a deficient number, since it is larger than the sum of its proper divisors (8403309133).

42016545635 is an equidigital number, since it uses as much as digits as its factorization.

42016545635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8403309132.

The product of its (nonzero) digits is 432000, while the sum is 41.

The spelling of 42016545635 in words is "forty-two billion, sixteen million, five hundred forty-five thousand, six hundred thirty-five".