5648721425805 has 16 divisors (see below), whose sum is σ = 9072319132800. Its totient is φ = 3001196476608.

The previous prime is 5648721425803. The next prime is 5648721425819. The reversal of 5648721425805 is 5085241278465.

It is a happy number.

It is not a de Polignac number, because 5648721425805 - 2¹ = 5648721425803 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5648721425803) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 715930330 + ... + 715938219.

It is an arithmetic number, because the mean of its divisors is an integer number (567019945800).

Almost surely, 2^{5648721425805} is an apocalyptic number.

It is an amenable number.

5648721425805 is a deficient number, since it is larger than the sum of its proper divisors (3423597706995).

5648721425805 is a wasteful number, since it uses less digits than its factorization.

5648721425805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1431868820.

The product of its (nonzero) digits is 21504000, while the sum is 57.

The spelling of 5648721425805 in words is "five trillion, six hundred forty-eight billion, seven hundred twenty-one million, four hundred twenty-five thousand, eight hundred five".