6421224105036 has 72 divisors (see below), whose sum is σ = 17488693708304. Its totient is φ = 1974778496640.

The previous prime is 6421224104909. The next prime is 6421224105047. The reversal of 6421224105036 is 6305014221246.

6421224105036 is a `hidden beast` number, since 6 + 42 + 122 + 410 + 50 + 36 = 666.

It is a super-2 number, since 2×6421224105036² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

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, 2470231 + ... + 4352526.

Almost surely, 2^{6421224105036} is an apocalyptic number.

It is an amenable number.

6421224105036 is an abundant number, since it is smaller than the sum of its proper divisors (11067469603268).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6421224105036 is a wasteful number, since it uses less digits than its factorization.

6421224105036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6824791 (or 6824786 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The spelling of 6421224105036 in words is "six trillion, four hundred twenty-one billion, two hundred twenty-four million, one hundred five thousand, thirty-six".