42021022413 has 8 divisors (see below), whose sum is σ = 56864269408. Its totient is φ = 27595895184.

The previous prime is 42021022411. The next prime is 42021022441. The reversal of 42021022413 is 31422012024.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42021022413 - 2¹ = 42021022411 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42021022413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42021022411) 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 7 ways as a sum of consecutive naturals, for example, 104529706 + ... + 104530107.

It is an arithmetic number, because the mean of its divisors is an integer number (7108033676).

Almost surely, 2^42021022413 is an apocalyptic number.

It is an amenable number.

42021022413 is a deficient number, since it is larger than the sum of its proper divisors (14843246995).

42021022413 is a wasteful number, since it uses less digits than its factorization.

42021022413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209059883.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 42021022413 its reverse (31422012024), we get a palindrome (73443034437).

The spelling of 42021022413 in words is "forty-two billion, twenty-one million, twenty-two thousand, four hundred thirteen".