42030421433021 has 8 divisors (see below), whose sum is σ = 48096908066304. Its totient is φ = 35979469978320.

The previous prime is 42030421433009. The next prime is 42030421433047. The reversal of 42030421433021 is 12033412403024.

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

It is a cyclic number.

It is not a de Polignac number, because 42030421433021 - 2¹⁰ = 42030421431997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42030421433081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3883788845 + ... + 3883799666.

It is an arithmetic number, because the mean of its divisors is an integer number (6012113508288).

Almost surely, 2^{42030421433021} is an apocalyptic number.

It is an amenable number.

42030421433021 is a deficient number, since it is larger than the sum of its proper divisors (6066486633283).

42030421433021 is an equidigital number, since it uses as much as digits as its factorization.

42030421433021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7767589291.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 42030421433021 its reverse (12033412403024), we get a palindrome (54063833836045).

The spelling of 42030421433021 in words is "forty-two trillion, thirty billion, four hundred twenty-one million, four hundred thirty-three thousand, twenty-one".