42421343004321 has 32 divisors (see below), whose sum is σ = 56999820288000. Its totient is φ = 28062281468160.

The previous prime is 42421343004247. The next prime is 42421343004323. The reversal of 42421343004321 is 12340034312424.

It is not a de Polignac number, because 42421343004321 - 2³⁸ = 42146465097377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42421343004323) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3588636591 + ... + 3588648411.

It is an arithmetic number, because the mean of its divisors is an integer number (1781244384000).

Almost surely, 2^{42421343004321} is an apocalyptic number.

It is an amenable number.

42421343004321 is a deficient number, since it is larger than the sum of its proper divisors (14578477283679).

42421343004321 is a wasteful number, since it uses less digits than its factorization.

42421343004321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19529.

The product of its (nonzero) digits is 55296, while the sum is 33.

Adding to 42421343004321 its reverse (12340034312424), we get a palindrome (54761377316745).

The spelling of 42421343004321 in words is "forty-two trillion, four hundred twenty-one billion, three hundred forty-three million, four thousand, three hundred twenty-one".