2725318465845 has 32 divisors (see below), whose sum is σ = 4403894880000. Its totient is φ = 1439061894144.

The previous prime is 2725318465841. The next prime is 2725318465873. The reversal of 2725318465845 is 5485648135272.

It is a happy number.

2725318465845 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2725318465845 - 2² = 2725318465841 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2725318465841) 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, 1490781 + ... + 2770029.

It is an arithmetic number, because the mean of its divisors is an integer number (137621715000).

Almost surely, 2^{2725318465845} is an apocalyptic number.

It is an amenable number.

2725318465845 is a deficient number, since it is larger than the sum of its proper divisors (1678576414155).

2725318465845 is a wasteful number, since it uses less digits than its factorization.

2725318465845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1280669.

The product of its digits is 64512000, while the sum is 60.

The spelling of 2725318465845 in words is "two trillion, seven hundred twenty-five billion, three hundred eighteen million, four hundred sixty-five thousand, eight hundred forty-five".