2305904988273 has 8 divisors (see below), whose sum is σ = 3081673489536. Its totient is φ = 1533703239600.

The previous prime is 2305904988251. The next prime is 2305904988287. The reversal of 2305904988273 is 3728894095032.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2305904988273 - 2⁸ = 2305904988017 is a prime.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2305904988773) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 891686638 + ... + 891689223.

It is an arithmetic number, because the mean of its divisors is an integer number (385209186192).

Almost surely, 2^{2305904988273} is an apocalyptic number.

It is an amenable number.

2305904988273 is a deficient number, since it is larger than the sum of its proper divisors (775768501263).

2305904988273 is a wasteful number, since it uses less digits than its factorization.

2305904988273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1783376295.

The product of its (nonzero) digits is 26127360, while the sum is 60.

The spelling of 2305904988273 in words is "two trillion, three hundred five billion, nine hundred four million, nine hundred eighty-eight thousand, two hundred seventy-three".