6411129809 has 8 divisors (see below), whose sum is σ = 7563360768. Its totient is φ = 5317987680.

The previous prime is 6411129787. The next prime is 6411129841. The reversal of 6411129809 is 9089211146.

6411129809 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6411129809 - 2⁸ = 6411129553 is a prime.

It is a super-2 number, since 2×6411129809² = 82205170855696752962, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6411129869) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14771972 + ... + 14772405.

It is an arithmetic number, because the mean of its divisors is an integer number (945420096).

Almost surely, 2^6411129809 is an apocalyptic number.

It is an amenable number.

6411129809 is a deficient number, since it is larger than the sum of its proper divisors (1152230959).

6411129809 is a wasteful number, since it uses less digits than its factorization.

6411129809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29544415.

The product of its (nonzero) digits is 31104, while the sum is 41.

The square root of 6411129809 is about 80069.5310901719. The cubic root of 6411129809 is about 1857.7111601104.

The spelling of 6411129809 in words is "six billion, four hundred eleven million, one hundred twenty-nine thousand, eight hundred nine".