42421033354525 has 24 divisors (see below), whose sum is σ = 60448800723584. Its totient is φ = 28927997467200.

The previous prime is 42421033354517. The next prime is 42421033354549. The reversal of 42421033354525 is 52545333012424.

It is not a de Polignac number, because 42421033354525 - 2³ = 42421033354517 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 669597897 + ... + 669661246.

Almost surely, 2^{42421033354525} is an apocalyptic number.

It is an amenable number.

42421033354525 is a deficient number, since it is larger than the sum of its proper divisors (18027767369059).

42421033354525 is a wasteful number, since it uses less digits than its factorization.

42421033354525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1339259341 (or 1339259336 counting only the distinct ones).

The product of its (nonzero) digits is 1728000, while the sum is 43.

Adding to 42421033354525 its reverse (52545333012424), we get a palindrome (94966366366949).

The spelling of 42421033354525 in words is "forty-two trillion, four hundred twenty-one billion, thirty-three million, three hundred fifty-four thousand, five hundred twenty-five".