2349919656 has 144 divisors (see below), whose sum is σ = 7839142740. Its totient is φ = 631895040.

The previous prime is 2349919643. The next prime is 2349919657. The reversal of 2349919656 is 6569199432.

It can be written as a sum of positive squares in 2 ways, for example, as 2046114756 + 303804900 = 45234^2 + 17430^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2349919657) 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 35 ways as a sum of consecutive naturals, for example, 40386 + ... + 79566.

Almost surely, 2^2349919656 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 2349919656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3919571370).

2349919656 is an abundant number, since it is smaller than the sum of its proper divisors (5489223084).

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

2349919656 is a wasteful number, since it uses less digits than its factorization.

2349919656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39224 (or 39210 counting only the distinct ones).

The product of its digits is 3149280, while the sum is 54.

The square root of 2349919656 is about 48475.9698819941. The cubic root of 2349919656 is about 1329.4877436320.

The spelling of 2349919656 in words is "two billion, three hundred forty-nine million, nine hundred nineteen thousand, six hundred fifty-six".