6413894329 has 2 divisors, whose sum is σ = 6413894330. Its totient is φ = 6413894328.

The previous prime is 6413894323. The next prime is 6413894341. The reversal of 6413894329 is 9234983146.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6320250000 + 93644329 = 79500^2 + 9677^2 .

It is a cyclic number.

It is not a de Polignac number, because 6413894329 - 2⁹ = 6413893817 is a prime.

It is a super-3 number, since 3×6413894329³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (6413894323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3206947164 + 3206947165.

It is an arithmetic number, because the mean of its divisors is an integer number (3206947165).

Almost surely, 2^6413894329 is an apocalyptic number.

It is an amenable number.

6413894329 is a deficient number, since it is larger than the sum of its proper divisors (1).

6413894329 is an equidigital number, since it uses as much as digits as its factorization.

6413894329 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1119744, while the sum is 49.

The square root of 6413894329 is about 80086.7924754138. The cubic root of 6413894329 is about 1857.9781407002.

The spelling of 6413894329 in words is "six billion, four hundred thirteen million, eight hundred ninety-four thousand, three hundred twenty-nine".