2673209856 has 120 divisors (see below), whose sum is σ = 7362801072. Its totient is φ = 861849600.

The previous prime is 2673209831. The next prime is 2673209857. The reversal of 2673209856 is 6589023762.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (2673209857) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1475191 + ... + 1477001.

Almost surely, 2^2673209856 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2673209856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3681400536).

2673209856 is an abundant number, since it is smaller than the sum of its proper divisors (4689591216).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2673209856 is an equidigital number, since it uses as much as digits as its factorization.

2673209856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1894 (or 1847 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 48.

The square root of 2673209856 is about 51703.0932923747. The cubic root of 2673209856 is about 1387.8558208279.

It can be divided in two parts, 267 and 3209856, that added together give a palindrome (3210123).

The spelling of 2673209856 in words is "two billion, six hundred seventy-three million, two hundred nine thousand, eight hundred fifty-six".