2364644641 has 4 divisors (see below), whose sum is σ = 2369774484. Its totient is φ = 2359514800.

The previous prime is 2364644627. The next prime is 2364644647. The reversal of 2364644641 is 1464464632.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 780923025 + 1583721616 = 27945^2 + 39796^2 .

It is a cyclic number.

It is not a de Polignac number, because 2364644641 - 2²¹ = 2362547489 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2364644594 and 2364644603.

It is not an unprimeable number, because it can be changed into a prime (2364644647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2564230 + ... + 2565151.

It is an arithmetic number, because the mean of its divisors is an integer number (592443621).

Almost surely, 2^2364644641 is an apocalyptic number.

It is an amenable number.

2364644641 is a deficient number, since it is larger than the sum of its proper divisors (5129843).

2364644641 is an equidigital number, since it uses as much as digits as its factorization.

2364644641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5129842.

The product of its digits is 331776, while the sum is 40.

The square root of 2364644641 is about 48627.6119195669. The cubic root of 2364644641 is about 1332.2588934932.

Subtracting from 2364644641 its reverse (1464464632), we obtain a square (900180009 = 30003²).

The spelling of 2364644641 in words is "two billion, three hundred sixty-four million, six hundred forty-four thousand, six hundred forty-one".