6442043541 has 8 divisors (see below), whose sum is σ = 8597297664. Its totient is φ = 4290742560.

The previous prime is 6442043507. The next prime is 6442043599. The reversal of 6442043541 is 1453402446.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6442043541 - 2¹⁰ = 6442042517 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6442043341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 984480 + ... + 991001.

It is an arithmetic number, because the mean of its divisors is an integer number (1074662208).

Almost surely, 2^6442043541 is an apocalyptic number.

It is an amenable number.

6442043541 is a deficient number, since it is larger than the sum of its proper divisors (2155254123).

6442043541 is a wasteful number, since it uses less digits than its factorization.

6442043541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1976571.

The product of its (nonzero) digits is 46080, while the sum is 33.

The square root of 6442043541 is about 80262.3419855165. The cubic root of 6442043541 is about 1860.6922637078.

Adding to 6442043541 its reverse (1453402446), we get a palindrome (7895445987).

The spelling of 6442043541 in words is "six billion, four hundred forty-two million, forty-three thousand, five hundred forty-one".