6408641012 has 12 divisors (see below), whose sum is σ = 11219674116. Its totient is φ = 3203019840.

The previous prime is 6408641003. The next prime is 6408641021. The reversal of 6408641012 is 2101468046.

It is an interprime number because it is at equal distance from previous prime (6408641003) and next prime (6408641021).

It can be written as a sum of positive squares in 2 ways, for example, as 3154394896 + 3254246116 = 56164^2 + 57046^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 6408641012.

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, 314039 + ... + 333822.

It is an arithmetic number, because the mean of its divisors is an integer number (934972843).

Almost surely, 2^6408641012 is an apocalyptic number.

It is an amenable number.

6408641012 is a deficient number, since it is larger than the sum of its proper divisors (4811033104).

6408641012 is a wasteful number, since it uses less digits than its factorization.

6408641012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 650338 (or 650336 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 6408641012 is about 80053.9881080262. The cubic root of 6408641012 is about 1857.4707415204.

The spelling of 6408641012 in words is "six billion, four hundred eight million, six hundred forty-one thousand, twelve".