424142414021 has 8 divisors (see below), whose sum is σ = 432679316760. Its totient is φ = 415625297152.

The previous prime is 424142413999. The next prime is 424142414023. The reversal of 424142414021 is 120414241424.

It can be written as a sum of positive squares in 4 ways, for example, as 66364972996 + 357777441025 = 257614^2 + 598145^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-424142414021 is a prime.

It is a super-2 number, since 2×424142414021² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424142414023) 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 7 ways as a sum of consecutive naturals, for example, 4903160 + ... + 4988913.

It is an arithmetic number, because the mean of its divisors is an integer number (54084914595).

Almost surely, 2^424142414021 is an apocalyptic number.

It is an amenable number.

424142414021 is a deficient number, since it is larger than the sum of its proper divisors (8536902739).

424142414021 is an equidigital number, since it uses as much as digits as its factorization.

424142414021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9892935.

The product of its (nonzero) digits is 8192, while the sum is 29.

Adding to 424142414021 its reverse (120414241424), we get a palindrome (544556655445).

The spelling of 424142414021 in words is "four hundred twenty-four billion, one hundred forty-two million, four hundred fourteen thousand, twenty-one".