7644064650312 has 32 divisors (see below), whose sum is σ = 19256040730080. Its totient is φ = 2528571002880.

The previous prime is 7644064650289. The next prime is 7644064650353. The reversal of 7644064650312 is 2130564604467.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1215655993 + ... + 1215662280.

It is an arithmetic number, because the mean of its divisors is an integer number (601751272815).

Almost surely, 2^{7644064650312} is an apocalyptic number.

It is an amenable number.

7644064650312 is an abundant number, since it is smaller than the sum of its proper divisors (11611976079768).

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

7644064650312 is a wasteful number, since it uses less digits than its factorization.

7644064650312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2431318413 (or 2431318409 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 48.

The spelling of 7644064650312 in words is "seven trillion, six hundred forty-four billion, sixty-four million, six hundred fifty thousand, three hundred twelve".