6394334929 has 2 divisors, whose sum is σ = 6394334930. Its totient is φ = 6394334928.

The previous prime is 6394334911. The next prime is 6394334953. The reversal of 6394334929 is 9294334936.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3198128704 + 3196206225 = 56552^2 + 56535^2 .

It is a cyclic number.

It is not a de Polignac number, because 6394334929 - 2⁹ = 6394334417 is a prime.

It is not a weakly prime, because it can be changed into another prime (6394334959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3197167464 + 3197167465.

It is an arithmetic number, because the mean of its divisors is an integer number (3197167465).

Almost surely, 2^6394334929 is an apocalyptic number.

It is an amenable number.

6394334929 is a deficient number, since it is larger than the sum of its proper divisors (1).

6394334929 is an equidigital number, since it uses as much as digits as its factorization.

6394334929 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3779136, while the sum is 52.

The square root of 6394334929 is about 79964.5854675681. The cubic root of 6394334929 is about 1856.0875606829.

The spelling of 6394334929 in words is "six billion, three hundred ninety-four million, three hundred thirty-four thousand, nine hundred twenty-nine".