6460421976 has 80 divisors (see below), whose sum is σ = 18881953200. Its totient is φ = 2059839936.

The previous prime is 6460421941. The next prime is 6460422011. The reversal of 6460421976 is 6791240646.

It is an interprime number because it is at equal distance from previous prime (6460421941) and next prime (6460422011).

It is a congruent number.

It is an unprimeable number.

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 19 ways as a sum of consecutive naturals, for example, 201831 + ... + 231638.

It is an arithmetic number, because the mean of its divisors is an integer number (236024415).

Almost surely, 2^6460421976 is an apocalyptic number.

It is an amenable number.

6460421976 is an abundant number, since it is smaller than the sum of its proper divisors (12421531224).

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

6460421976 is a wasteful number, since it uses less digits than its factorization.

6460421976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433510 (or 433497 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

The square root of 6460421976 is about 80376.7502204462. The cubic root of 6460421976 is about 1862.4600331709.

The spelling of 6460421976 in words is "six billion, four hundred sixty million, four hundred twenty-one thousand, nine hundred seventy-six".