2340430889 has 2 divisors, whose sum is σ = 2340430890. Its totient is φ = 2340430888.

The previous prime is 2340430867. The next prime is 2340430891. The reversal of 2340430889 is 9880340432.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1953640000 + 386790889 = 44200^2 + 19667^2 .

It is a cyclic number.

It is not a de Polignac number, because 2340430889 - 2¹⁶ = 2340365353 is a prime.

Together with 2340430891, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2340430489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1170215444 + 1170215445.

It is an arithmetic number, because the mean of its divisors is an integer number (1170215445).

Almost surely, 2^2340430889 is an apocalyptic number.

It is an amenable number.

2340430889 is a deficient number, since it is larger than the sum of its proper divisors (1).

2340430889 is an equidigital number, since it uses as much as digits as its factorization.

2340430889 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 165888, while the sum is 41.

The square root of 2340430889 is about 48378.0000516764. Note that the first 4 decimals coincide. The cubic root of 2340430889 is about 1327.6958784967.

The spelling of 2340430889 in words is "two billion, three hundred forty million, four hundred thirty thousand, eight hundred eighty-nine".