6413413661 has 2 divisors, whose sum is σ = 6413413662. Its totient is φ = 6413413660.

The previous prime is 6413413631. The next prime is 6413413663. The reversal of 6413413661 is 1663143146.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6208494436 + 204919225 = 78794^2 + 14315^2 .

It is a cyclic number.

It is not a de Polignac number, because 6413413661 - 2¹⁰ = 6413412637 is a prime.

It is a super-2 number, since 2×6413413661² = 82263749574202845842, which contains 22 as substring.

Together with 6413413663, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6413413663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3206706830 + 3206706831.

It is an arithmetic number, because the mean of its divisors is an integer number (3206706831).

Almost surely, 2^6413413661 is an apocalyptic number.

It is an amenable number.

6413413661 is a deficient number, since it is larger than the sum of its proper divisors (1).

6413413661 is an equidigital number, since it uses as much as digits as its factorization.

6413413661 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31104, while the sum is 35.

The square root of 6413413661 is about 80083.7914999034. The cubic root of 6413413661 is about 1857.9317262079.

The spelling of 6413413661 in words is "six billion, four hundred thirteen million, four hundred thirteen thousand, six hundred sixty-one".