2313609989 has 2 divisors, whose sum is σ = 2313609990. Its totient is φ = 2313609988.

The previous prime is 2313609979. The next prime is 2313610009. The reversal of 2313609989 is 9899063132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1365893764 + 947716225 = 36958^2 + 30785^2 .

It is a cyclic number.

It is not a de Polignac number, because 2313609989 - 2⁴ = 2313609973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2313609979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1156804994 + 1156804995.

It is an arithmetic number, because the mean of its divisors is an integer number (1156804995).

Almost surely, 2^2313609989 is an apocalyptic number.

It is an amenable number.

2313609989 is a deficient number, since it is larger than the sum of its proper divisors (1).

2313609989 is an equidigital number, since it uses as much as digits as its factorization.

2313609989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 629856, while the sum is 50.

The square root of 2313609989 is about 48099.9998856549. Note that the first 3 decimals coincide. The cubic root of 2313609989 is about 1322.6046651321.

The spelling of 2313609989 in words is "two billion, three hundred thirteen million, six hundred nine thousand, nine hundred eighty-nine".