42662064541 has 4 divisors (see below), whose sum is σ = 42695111584. Its totient is φ = 42629017500.

The previous prime is 42662064521. The next prime is 42662064563. The reversal of 42662064541 is 14546026624.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42662064541 - 2³⁵ = 8302326173 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42662064494 and 42662064503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42662064521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16521585 + ... + 16524166.

It is an arithmetic number, because the mean of its divisors is an integer number (10673777896).

Almost surely, 2^42662064541 is an apocalyptic number.

It is an amenable number.

42662064541 is a deficient number, since it is larger than the sum of its proper divisors (33047043).

42662064541 is a wasteful number, since it uses less digits than its factorization.

42662064541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33047042.

The product of its (nonzero) digits is 276480, while the sum is 40.

The spelling of 42662064541 in words is "forty-two billion, six hundred sixty-two million, sixty-four thousand, five hundred forty-one".