6542355441 has 4 divisors (see below), whose sum is σ = 8723140592. Its totient is φ = 4361570292.

The previous prime is 6542355437. The next prime is 6542355461. The reversal of 6542355441 is 1445532456.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 6542355441 - 2² = 6542355437 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6542355441.

It is not an unprimeable number, because it can be changed into a prime (6542355431) 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 3 ways as a sum of consecutive naturals, for example, 1090392571 + ... + 1090392576.

It is an arithmetic number, because the mean of its divisors is an integer number (2180785148).

Almost surely, 2^6542355441 is an apocalyptic number.

It is an amenable number.

6542355441 is a deficient number, since it is larger than the sum of its proper divisors (2180785151).

6542355441 is a wasteful number, since it uses less digits than its factorization.

6542355441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2180785150.

The product of its digits is 288000, while the sum is 39.

The square root of 6542355441 is about 80884.8282498022. The cubic root of 6542355441 is about 1870.3004503566.

Adding to 6542355441 its reverse (1445532456), we get a palindrome (7987887897).

The spelling of 6542355441 in words is "six billion, five hundred forty-two million, three hundred fifty-five thousand, four hundred forty-one".