6240666343 has 4 divisors (see below), whose sum is σ = 6254145568. Its totient is φ = 6227187120.

The previous prime is 6240666331. The next prime is 6240666361. The reversal of 6240666343 is 3436660426.

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-6240666343 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6240666296 and 6240666305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6240646343) 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, 6738918 + ... + 6739843.

It is an arithmetic number, because the mean of its divisors is an integer number (1563536392).

Almost surely, 2^6240666343 is an apocalyptic number.

6240666343 is a deficient number, since it is larger than the sum of its proper divisors (13479225).

6240666343 is a wasteful number, since it uses less digits than its factorization.

6240666343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13479224.

The product of its (nonzero) digits is 373248, while the sum is 40.

The square root of 6240666343 is about 78997.8882186100. Note that the first 3 decimals coincide. The cubic root of 6240666343 is about 1841.0983461862.

The spelling of 6240666343 in words is "six billion, two hundred forty million, six hundred sixty-six thousand, three hundred forty-three".