6494093408 has 24 divisors (see below), whose sum is σ = 13947542280. Its totient is φ = 2951860480.

The previous prime is 6494093393. The next prime is 6494093423. The reversal of 6494093408 is 8043904946.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (6494093393) and next prime (6494093423).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9224213 + ... + 9224916.

It is an arithmetic number, because the mean of its divisors is an integer number (581147595).

Almost surely, 2^6494093408 is an apocalyptic number.

It is an amenable number.

6494093408 is an abundant number, since it is smaller than the sum of its proper divisors (7453448872).

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

6494093408 is a wasteful number, since it uses less digits than its factorization.

6494093408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18449150 (or 18449142 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 47.

The square root of 6494093408 is about 80585.9380289142. The cubic root of 6494093408 is about 1865.6901142594.

The spelling of 6494093408 in words is "six billion, four hundred ninety-four million, ninety-three thousand, four hundred eight".