6421036053 has 16 divisors (see below), whose sum is σ = 8757616640. Its totient is φ = 4183580016.

The previous prime is 6421036049. The next prime is 6421036183. The reversal of 6421036053 is 3506301246.

It is not a de Polignac number, because 6421036053 - 2² = 6421036049 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 6421036053.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6421036043) 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 15 ways as a sum of consecutive naturals, for example, 100243 + ... + 151296.

It is an arithmetic number, because the mean of its divisors is an integer number (547351040).

Almost surely, 2^6421036053 is an apocalyptic number.

It is an amenable number.

6421036053 is a deficient number, since it is larger than the sum of its proper divisors (2336580587).

6421036053 is a wasteful number, since it uses less digits than its factorization.

6421036053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251736.

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 6421036053 is about 80131.3674724199. The cubic root of 6421036053 is about 1858.6674902317.

Adding to 6421036053 its reverse (3506301246), we get a palindrome (9927337299).

The spelling of 6421036053 in words is "six billion, four hundred twenty-one million, thirty-six thousand, fifty-three".