2320581641 has 6 divisors (see below), whose sum is σ = 2699452170. Its totient is φ = 1989069936.

The previous prime is 2320581607. The next prime is 2320581643. The reversal of 2320581641 is 1461850232.

It can be written as a sum of positive squares in only one way, i.e., 2305920400 + 14661241 = 48020^2 + 3829^2 .

It is not a de Polignac number, because 2320581641 - 2¹⁴ = 2320565257 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2320581598 and 2320581607.

It is not an unprimeable number, because it can be changed into a prime (2320581643) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23679356 + ... + 23679453.

It is an arithmetic number, because the mean of its divisors is an integer number (449908695).

Almost surely, 2^2320581641 is an apocalyptic number.

It is an amenable number.

2320581641 is a deficient number, since it is larger than the sum of its proper divisors (378870529).

2320581641 is an equidigital number, since it uses as much as digits as its factorization.

2320581641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47358823 (or 47358816 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 2320581641 is about 48172.4157687779. The cubic root of 2320581641 is about 1323.9318109188.

The spelling of 2320581641 in words is "two billion, three hundred twenty million, five hundred eighty-one thousand, six hundred forty-one".