7644849640850 has 48 divisors (see below), whose sum is σ = 14551167124032. Its totient is φ = 2986606848960.

The previous prime is 7644849640843. The next prime is 7644849640907. The reversal of 7644849640850 is 580469484467.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31058864 + ... + 31304036.

It is an arithmetic number, because the mean of its divisors is an integer number (303149315084).

Almost surely, 2^{7644849640850} is an apocalyptic number.

7644849640850 is a deficient number, since it is larger than the sum of its proper divisors (6906317483182).

7644849640850 is a wasteful number, since it uses less digits than its factorization.

7644849640850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259731 (or 259726 counting only the distinct ones).

The product of its (nonzero) digits is 185794560, while the sum is 65.

The spelling of 7644849640850 in words is "seven trillion, six hundred forty-four billion, eight hundred forty-nine million, six hundred forty thousand, eight hundred fifty".