2421340459 has 2 divisors, whose sum is σ = 2421340460. Its totient is φ = 2421340458.

The previous prime is 2421340393. The next prime is 2421340463. The reversal of 2421340459 is 9540431242.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2421340459 - 2⁷ = 2421340331 is a prime.

It is not a weakly prime, because it can be changed into another prime (2421340499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1210670229 + 1210670230.

It is an arithmetic number, because the mean of its divisors is an integer number (1210670230).

Almost surely, 2^2421340459 is an apocalyptic number.

2421340459 is a deficient number, since it is larger than the sum of its proper divisors (1).

2421340459 is an equidigital number, since it uses as much as digits as its factorization.

2421340459 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 2421340459 is about 49207.1179708790. The cubic root of 2421340459 is about 1342.8225310858.

The spelling of 2421340459 in words is "two billion, four hundred twenty-one million, three hundred forty thousand, four hundred fifty-nine".