2644113554650 has 72 divisors (see below), whose sum is σ = 5256421826400. Its totient is φ = 989323165440.

The previous prime is 2644113554647. The next prime is 2644113554669. The reversal of 2644113554650 is 564553114462.

It is a self number, because there is not a number n which added to its sum of digits gives 2644113554650.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1794051 + ... + 2916649.

It is an arithmetic number, because the mean of its divisors is an integer number (73005858700).

Almost surely, 2^{2644113554650} is an apocalyptic number.

2644113554650 is a deficient number, since it is larger than the sum of its proper divisors (2612308271750).

2644113554650 is a wasteful number, since it uses less digits than its factorization.

2644113554650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1122808 (or 1122786 counting only the distinct ones).

The product of its (nonzero) digits is 1728000, while the sum is 46.

The spelling of 2644113554650 in words is "two trillion, six hundred forty-four billion, one hundred thirteen million, five hundred fifty-four thousand, six hundred fifty".