6409380908 has 36 divisors (see below), whose sum is σ = 13081888512. Its totient is φ = 2739673440.

The previous prime is 6409380893. The next prime is 6409380937. The reversal of 6409380908 is 8090839046.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32378 + ... + 117758.

It is an arithmetic number, because the mean of its divisors is an integer number (363385792).

Almost surely, 2^6409380908 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6409380908, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6540944256).

6409380908 is an abundant number, since it is smaller than the sum of its proper divisors (6672507604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6409380908 is a wasteful number, since it uses less digits than its factorization.

6409380908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85782 (or 85773 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 47.

The square root of 6409380908 is about 80058.6092060061. The cubic root of 6409380908 is about 1857.5422222125.

The spelling of 6409380908 in words is "six billion, four hundred nine million, three hundred eighty thousand, nine hundred eight".