2609231744 has 64 divisors (see below), whose sum is σ = 6078906240. Its totient is φ = 1092220416.

The previous prime is 2609231731. The next prime is 2609231747. The reversal of 2609231744 is 4471329062.

It is a tau number, because it is divible by the number of its divisors (64).

It is a junction number, because it is equal to n+sod(n) for n = 2609231698 and 2609231707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2609231747) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4667 + ... + 72389.

It is an arithmetic number, because the mean of its divisors is an integer number (94982910).

Almost surely, 2^2609231744 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 2609231744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3039453120).

2609231744 is an abundant number, since it is smaller than the sum of its proper divisors (3469674496).

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

2609231744 is an equidigital number, since it uses as much as digits as its factorization.

2609231744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67787 (or 67775 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 38.

The square root of 2609231744 is about 51080.6396201144. The cubic root of 2609231744 is about 1376.6944169360.

The spelling of 2609231744 in words is "two billion, six hundred nine million, two hundred thirty-one thousand, seven hundred forty-four".