2263478273 has 4 divisors (see below), whose sum is σ = 2586832320. Its totient is φ = 1940124228.

The previous prime is 2263478233. The next prime is 2263478279. The reversal of 2263478273 is 3728743622.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a de Polignac number, because none of the positive numbers 2^k-2263478273 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2263478279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161677013 + ... + 161677026.

It is an arithmetic number, because the mean of its divisors is an integer number (646708080).

Almost surely, 2^2263478273 is an apocalyptic number.

It is an amenable number.

2263478273 is a deficient number, since it is larger than the sum of its proper divisors (323354047).

2263478273 is an equidigital number, since it uses as much as digits as its factorization.

2263478273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323354046.

The product of its digits is 677376, while the sum is 44.

The square root of 2263478273 is about 47576.0262422157. The cubic root of 2263478273 is about 1312.9820133513.

The spelling of 2263478273 in words is "two billion, two hundred sixty-three million, four hundred seventy-eight thousand, two hundred seventy-three".