6364765543 has 2 divisors, whose sum is σ = 6364765544. Its totient is φ = 6364765542.

The previous prime is 6364765523. The next prime is 6364765549. The reversal of 6364765543 is 3455674636.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6364765543 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6364765549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3182382771 + 3182382772.

It is an arithmetic number, because the mean of its divisors is an integer number (3182382772).

Almost surely, 2^6364765543 is an apocalyptic number.

6364765543 is a deficient number, since it is larger than the sum of its proper divisors (1).

6364765543 is an equidigital number, since it uses as much as digits as its factorization.

6364765543 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5443200, while the sum is 49.

The square root of 6364765543 is about 79779.4807140282. The cubic root of 6364765543 is about 1853.2220978741. Note that the first 3 decimals are identical.

The spelling of 6364765543 in words is "six billion, three hundred sixty-four million, seven hundred sixty-five thousand, five hundred forty-three".