6575412421 has 4 divisors (see below), whose sum is σ = 6575804172. Its totient is φ = 6575020672.

The previous prime is 6575412419. The next prime is 6575412499. The reversal of 6575412421 is 1242145756.

6575412421 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5092392321 + 1483020100 = 71361^2 + 38510^2 .

It is a cyclic number.

It is not a de Polignac number, because 6575412421 - 2¹ = 6575412419 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6575422421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 169516 + ... + 204661.

It is an arithmetic number, because the mean of its divisors is an integer number (1643951043).

Almost surely, 2^6575412421 is an apocalyptic number.

It is an amenable number.

6575412421 is a deficient number, since it is larger than the sum of its proper divisors (391751).

6575412421 is a wasteful number, since it uses less digits than its factorization.

6575412421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391750.

The product of its digits is 67200, while the sum is 37.

The square root of 6575412421 is about 81088.9167580872. The cubic root of 6575412421 is about 1873.4452221396.

The spelling of 6575412421 in words is "six billion, five hundred seventy-five million, four hundred twelve thousand, four hundred twenty-one".