6460421776 has 20 divisors (see below), whose sum is σ = 12693366144. Its totient is φ = 3184714400.

The previous prime is 6460421771. The next prime is 6460421777. The reversal of 6460421776 is 6771240646.

It is not an unprimeable number, because it can be changed into a prime (6460421771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2842360 + ... + 2844631.

Almost surely, 2^6460421776 is an apocalyptic number.

It is an amenable number.

6460421776 is a deficient number, since it is larger than the sum of its proper divisors (6232944368).

6460421776 is a wasteful number, since it uses less digits than its factorization.

6460421776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5687070 (or 5687064 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 43.

The square root of 6460421776 is about 80376.7489763053. The cubic root of 6460421776 is about 1862.4600139517.

The spelling of 6460421776 in words is "six billion, four hundred sixty million, four hundred twenty-one thousand, seven hundred seventy-six".