6641475343 has 2 divisors, whose sum is σ = 6641475344. Its totient is φ = 6641475342.

The previous prime is 6641475307. The next prime is 6641475353. The reversal of 6641475343 is 3435741466.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6641475343 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6641475343.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6641475353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3320737671 + 3320737672.

It is an arithmetic number, because the mean of its divisors is an integer number (3320737672).

Almost surely, 2^6641475343 is an apocalyptic number.

6641475343 is a deficient number, since it is larger than the sum of its proper divisors (1).

6641475343 is an equidigital number, since it uses as much as digits as its factorization.

6641475343 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 725760, while the sum is 43.

The square root of 6641475343 is about 81495.2473644936. The cubic root of 6641475343 is about 1879.6984712390.

The spelling of 6641475343 in words is "six billion, six hundred forty-one million, four hundred seventy-five thousand, three hundred forty-three".