6450442343 has 4 divisors (see below), whose sum is σ = 6486080328. Its totient is φ = 6414804360.

The previous prime is 6450442321. The next prime is 6450442357. The reversal of 6450442343 is 3432440546.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6450442343 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6450442543) 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, 17818721 + ... + 17819082.

It is an arithmetic number, because the mean of its divisors is an integer number (1621520082).

Almost surely, 2^6450442343 is an apocalyptic number.

6450442343 is a deficient number, since it is larger than the sum of its proper divisors (35637985).

6450442343 is a wasteful number, since it uses less digits than its factorization.

6450442343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35637984.

The product of its (nonzero) digits is 138240, while the sum is 35.

The square root of 6450442343 is about 80314.6458810596. The cubic root of 6450442343 is about 1861.5005372131.

Adding to 6450442343 its reverse (3432440546), we get a palindrome (9882882889).

The spelling of 6450442343 in words is "six billion, four hundred fifty million, four hundred forty-two thousand, three hundred forty-three".