42421010404043 has 16 divisors (see below), whose sum is σ = 46367129500416. Its totient is φ = 38636190289920.

The previous prime is 42421010403991. The next prime is 42421010404057. The reversal of 42421010404043 is 34040401012424.

It is a cyclic number.

It is not a de Polignac number, because 42421010404043 - 2⁶ = 42421010403979 is a prime.

It is a super-2 number, since 2×42421010404043² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42421010403997 and 42421010404015.

It is not an unprimeable number, because it can be changed into a prime (42421010404093) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11714555 + ... + 14902107.

It is an arithmetic number, because the mean of its divisors is an integer number (2897945593776).

Almost surely, 2^{42421010404043} is an apocalyptic number.

42421010404043 is a deficient number, since it is larger than the sum of its proper divisors (3946119096373).

42421010404043 is a wasteful number, since it uses less digits than its factorization.

42421010404043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3212854.

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 42421010404043 its reverse (34040401012424), we get a palindrome (76461411416467).

The spelling of 42421010404043 in words is "forty-two trillion, four hundred twenty-one billion, ten million, four hundred four thousand, forty-three".