2343605989 has 2 divisors, whose sum is σ = 2343605990. Its totient is φ = 2343605988.

The previous prime is 2343605987. The next prime is 2343606061. The reversal of 2343605989 is 9895063432.

2343605989 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1298377089 + 1045228900 = 36033^2 + 32330^2 .

It is a cyclic number.

It is not a de Polignac number, because 2343605989 - 2¹ = 2343605987 is a prime.

Together with 2343605987, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2343605987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1171802994 + 1171802995.

It is an arithmetic number, because the mean of its divisors is an integer number (1171802995).

Almost surely, 2^2343605989 is an apocalyptic number.

It is an amenable number.

2343605989 is a deficient number, since it is larger than the sum of its proper divisors (1).

2343605989 is an equidigital number, since it uses as much as digits as its factorization.

2343605989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1399680, while the sum is 49.

The square root of 2343605989 is about 48410.8044655323. The cubic root of 2343605989 is about 1328.2960047836.

The spelling of 2343605989 in words is "two billion, three hundred forty-three million, six hundred five thousand, nine hundred eighty-nine".