35421050400021 has 24 divisors (see below), whose sum is σ = 60108449165856. Its totient is φ = 19815972251040.

The previous prime is 35421050399939. The next prime is 35421050400049. The reversal of 35421050400021 is 12000405012453.

35421050400021 is a `hidden beast` number, since 3 + 542 + 10 + 50 + 40 + 0 + 0 + 21 = 666.

It is not a de Polignac number, because 35421050400021 - 2²⁵ = 35421016845589 is a prime.

It is a super-3 number, since 3×35421050400021³ (a number of 42 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (35421050400521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13761090555 + ... + 13761093128.

It is an arithmetic number, because the mean of its divisors is an integer number (2504518715244).

Almost surely, 2^{35421050400021} is an apocalyptic number.

It is an amenable number.

35421050400021 is a deficient number, since it is larger than the sum of its proper divisors (24687398765835).

35421050400021 is a wasteful number, since it uses less digits than its factorization.

35421050400021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27522183713 (or 27522183710 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 35421050400021 its reverse (12000405012453), we get a palindrome (47421455412474).

The spelling of 35421050400021 in words is "thirty-five trillion, four hundred twenty-one billion, fifty million, four hundred thousand, twenty-one".