2808641947223 has 16 divisors (see below), whose sum is σ = 3241480147776. Its totient is φ = 2383746731520.

The previous prime is 2808641947151. The next prime is 2808641947231. The reversal of 2808641947223 is 3227491468082.

It is not a de Polignac number, because 2808641947223 - 2¹⁴ = 2808641930839 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2808641947273) 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, 951308 + ... + 2553873.

It is an arithmetic number, because the mean of its divisors is an integer number (202592509236).

Almost surely, 2^{2808641947223} is an apocalyptic number.

2808641947223 is a deficient number, since it is larger than the sum of its proper divisors (432838200553).

2808641947223 is a wasteful number, since it uses less digits than its factorization.

2808641947223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3506314.

The product of its (nonzero) digits is 9289728, while the sum is 56.

The spelling of 2808641947223 in words is "two trillion, eight hundred eight billion, six hundred forty-one million, nine hundred forty-seven thousand, two hundred twenty-three".