2819479256 has 64 divisors (see below), whose sum is σ = 5882976000. Its totient is φ = 1255973760.

The previous prime is 2819479253. The next prime is 2819479283. The reversal of 2819479256 is 6529749182.

It is a junction number, because it is equal to n+sod(n) for n = 2819479198 and 2819479207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2819479253) 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, 2278670 + ... + 2279906.

It is an arithmetic number, because the mean of its divisors is an integer number (91921500).

Almost surely, 2^2819479256 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 2819479256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2941488000).

2819479256 is an abundant number, since it is smaller than the sum of its proper divisors (3063496744).

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

2819479256 is a wasteful number, since it uses less digits than its factorization.

2819479256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1752 (or 1748 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 53.

The square root of 2819479256 is about 53098.7688746170. The cubic root of 2819479256 is about 1412.7206755332.

The spelling of 2819479256 in words is "two billion, eight hundred nineteen million, four hundred seventy-nine thousand, two hundred fifty-six".