2309715648 has 140 divisors (see below), whose sum is σ = 7014359352. Its totient is φ = 751057920.

The previous prime is 2309715623. The next prime is 2309715649. The reversal of 2309715648 is 8465179032.

2309715648 is digitally balanced in base 10, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×2309715648³ (a number of 29 digits) contains 333 as substring.

2309715648 is strictly pandigital in base 10.

It is not an unprimeable number, because it can be changed into a prime (2309715649) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 207111 + ... + 217977.

It is a 1-persistent number, because it is pandigital, but 2⋅2309715648 = 4619431296 is not.

Almost surely, 2^2309715648 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 2309715648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3507179676).

2309715648 is an abundant number, since it is smaller than the sum of its proper divisors (4704643704).

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

2309715648 is a wasteful number, since it uses less digits than its factorization.

2309715648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10932 (or 10913 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 2309715648 is about 48059.5011210062. The cubic root of 2309715648 is about 1321.8621651387.

The spelling of 2309715648 in words is "two billion, three hundred nine million, seven hundred fifteen thousand, six hundred forty-eight".