6534041421 has 16 divisors (see below), whose sum is σ = 8819856000. Its totient is φ = 4302448128.

The previous prime is 6534041419. The next prime is 6534041429. The reversal of 6534041421 is 1241404356.

6534041421 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6534041421 - 2¹ = 6534041419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6534041429) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41845 + ... + 121733.

It is an arithmetic number, because the mean of its divisors is an integer number (551241000).

Almost surely, 2^6534041421 is an apocalyptic number.

It is an amenable number.

6534041421 is a deficient number, since it is larger than the sum of its proper divisors (2285814579).

6534041421 is a wasteful number, since it uses less digits than its factorization.

6534041421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80228.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 6534041421 is about 80833.4177243546. The cubic root of 6534041421 is about 1869.5078557526.

Adding to 6534041421 its reverse (1241404356), we get a palindrome (7775445777).

The spelling of 6534041421 in words is "six billion, five hundred thirty-four million, forty-one thousand, four hundred twenty-one".