2345840459 has 2 divisors, whose sum is σ = 2345840460. Its totient is φ = 2345840458.

The previous prime is 2345840437. The next prime is 2345840467. The reversal of 2345840459 is 9540485432.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2345840459 is a prime.

It is not a weakly prime, because it can be changed into another prime (2345810459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1172920229 + 1172920230.

It is an arithmetic number, because the mean of its divisors is an integer number (1172920230).

Almost surely, 2^2345840459 is an apocalyptic number.

2345840459 is a deficient number, since it is larger than the sum of its proper divisors (1).

2345840459 is an equidigital number, since it uses as much as digits as its factorization.

2345840459 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 691200, while the sum is 44.

The square root of 2345840459 is about 48433.8771832279. The cubic root of 2345840459 is about 1328.7180175298.

The spelling of 2345840459 in words is "two billion, three hundred forty-five million, eight hundred forty thousand, four hundred fifty-nine".