2313609985 has 8 divisors (see below), whose sum is σ = 2939645736. Its totient is φ = 1742012160.

The previous prime is 2313609979. The next prime is 2313609989. The reversal of 2313609985 is 5899063132.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1054495729 + 1259114256 = 32473^2 + 35484^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2313609985 - 2²³ = 2305221377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2313609989) 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, 13609386 + ... + 13609555.

It is an arithmetic number, because the mean of its divisors is an integer number (367455717).

Almost surely, 2^2313609985 is an apocalyptic number.

It is an amenable number.

2313609985 is a deficient number, since it is larger than the sum of its proper divisors (626035751).

2313609985 is a wasteful number, since it uses less digits than its factorization.

2313609985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27218963.

The product of its (nonzero) digits is 349920, while the sum is 46.

The square root of 2313609985 is about 48099.9998440748. Note that the first 3 decimals coincide. The cubic root of 2313609985 is about 1322.6046643699.

The spelling of 2313609985 in words is "two billion, three hundred thirteen million, six hundred nine thousand, nine hundred eighty-five".