6494385456 has 60 divisors (see below), whose sum is σ = 19573361808. Its totient is φ = 1998271872.

The previous prime is 6494385451. The next prime is 6494385461. The reversal of 6494385456 is 6545834946.

6494385456 is a `hidden beast` number, since 6 + 4 + 94 + 3 + 8 + 545 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (6494385451) and next prime (6494385461).

It is a super-2 number, since 2×6494385456² = 84354084902208655872, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6494385451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1732740 + ... + 1736483.

Almost surely, 2^6494385456 is an apocalyptic number.

It is an amenable number.

6494385456 is an abundant number, since it is smaller than the sum of its proper divisors (13078976352).

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

6494385456 is a wasteful number, since it uses less digits than its factorization.

6494385456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3469250 (or 3469241 counting only the distinct ones).

The product of its digits is 12441600, while the sum is 54.

The square root of 6494385456 is about 80587.7500368387. The cubic root of 6494385456 is about 1865.7180813604.

The spelling of 6494385456 in words is "six billion, four hundred ninety-four million, three hundred eighty-five thousand, four hundred fifty-six".