2315413645 has 4 divisors (see below), whose sum is σ = 2778496380. Its totient is φ = 1852330912.

The previous prime is 2315413631. The next prime is 2315413673. The reversal of 2315413645 is 5463145132.

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 1270637316 + 1044776329 = 35646^2 + 32323^2 .

It is a cyclic number.

It is not a de Polignac number, because 2315413645 - 2⁵ = 2315413613 is a prime.

It is a super-3 number, since 3×2315413645³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 2315413645.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 231541360 + ... + 231541369.

It is an arithmetic number, because the mean of its divisors is an integer number (694624095).

Almost surely, 2^2315413645 is an apocalyptic number.

It is an amenable number.

2315413645 is a deficient number, since it is larger than the sum of its proper divisors (463082735).

2315413645 is an equidigital number, since it uses as much as digits as its factorization.

2315413645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463082734.

The product of its digits is 43200, while the sum is 34.

The square root of 2315413645 is about 48118.7452558772. The cubic root of 2315413645 is about 1322.9482701784.

Adding to 2315413645 its reverse (5463145132), we get a palindrome (7778558777).

The spelling of 2315413645 in words is "two billion, three hundred fifteen million, four hundred thirteen thousand, six hundred forty-five".