6434206577 has 2 divisors, whose sum is σ = 6434206578. Its totient is φ = 6434206576.

The previous prime is 6434206549. The next prime is 6434206637. The reversal of 6434206577 is 7756024346.

6434206577 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6387366241 + 46840336 = 79921^2 + 6844^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6434206577 is a prime.

It is not a weakly prime, because it can be changed into another prime (6434206477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3217103288 + 3217103289.

It is an arithmetic number, because the mean of its divisors is an integer number (3217103289).

Almost surely, 2^6434206577 is an apocalyptic number.

It is an amenable number.

6434206577 is a deficient number, since it is larger than the sum of its proper divisors (1).

6434206577 is an equidigital number, since it uses as much as digits as its factorization.

6434206577 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 846720, while the sum is 44.

The square root of 6434206577 is about 80213.5062006393. The cubic root of 6434206577 is about 1859.9374258249.

The spelling of 6434206577 in words is "six billion, four hundred thirty-four million, two hundred six thousand, five hundred seventy-seven".