42213161642 has 16 divisors (see below), whose sum is σ = 66081225600. Its totient is φ = 20186321232.

The previous prime is 42213161609. The next prime is 42213161651. The reversal of 42213161642 is 24616131224.

42213161642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 42213161599 and 42213161608.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 332984 + ... + 441932.

It is an arithmetic number, because the mean of its divisors is an integer number (4130076600).

Almost surely, 2^42213161642 is an apocalyptic number.

42213161642 is a deficient number, since it is larger than the sum of its proper divisors (23868063958).

42213161642 is a wasteful number, since it uses less digits than its factorization.

42213161642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117397.

The product of its digits is 13824, while the sum is 32.

Adding to 42213161642 its reverse (24616131224), we get a palindrome (66829292866).

The spelling of 42213161642 in words is "forty-two billion, two hundred thirteen million, one hundred sixty-one thousand, six hundred forty-two".