6434765791 has 2 divisors, whose sum is σ = 6434765792. Its totient is φ = 6434765790.

The previous prime is 6434765773. The next prime is 6434765797. The reversal of 6434765791 is 1975674346.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6434765791 - 2⁹ = 6434765279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6434765797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3217382895 + 3217382896.

It is an arithmetic number, because the mean of its divisors is an integer number (3217382896).

Almost surely, 2^6434765791 is an apocalyptic number.

6434765791 is a deficient number, since it is larger than the sum of its proper divisors (1).

6434765791 is an equidigital number, since it uses as much as digits as its factorization.

6434765791 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3810240, while the sum is 52.

The square root of 6434765791 is about 80216.9919094452. The cubic root of 6434765791 is about 1859.9913082995.

The spelling of 6434765791 in words is "six billion, four hundred thirty-four million, seven hundred sixty-five thousand, seven hundred ninety-one".