1648442713205 has 32 divisors (see below), whose sum is σ = 2006152512000. Its totient is φ = 1300224960000.

The previous prime is 1648442713189. The next prime is 1648442713207. The reversal of 1648442713205 is 5023172448461.

It is not a de Polignac number, because 1648442713205 - 2⁴ = 1648442713189 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1648442713205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1648442713207) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 94463321 + ... + 94480769.

It is an arithmetic number, because the mean of its divisors is an integer number (62692266000).

Almost surely, 2^{1648442713205} is an apocalyptic number.

It is an amenable number.

1648442713205 is a deficient number, since it is larger than the sum of its proper divisors (357709798795).

1648442713205 is a wasteful number, since it uses less digits than its factorization.

1648442713205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18525.

The product of its (nonzero) digits is 1290240, while the sum is 47.

The spelling of 1648442713205 in words is "one trillion, six hundred forty-eight billion, four hundred forty-two million, seven hundred thirteen thousand, two hundred five".