420234553240259 has 2 divisors, whose sum is σ = 420234553240260. Its totient is φ = 420234553240258.

The previous prime is 420234553240231. The next prime is 420234553240331. The reversal of 420234553240259 is 952042355432024.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-420234553240259 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (420234553240459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210117276620129 + 210117276620130.

It is an arithmetic number, because the mean of its divisors is an integer number (210117276620130).

Almost surely, 2^{420234553240259} is an apocalyptic number.

420234553240259 is a deficient number, since it is larger than the sum of its proper divisors (1).

420234553240259 is an equidigital number, since it uses as much as digits as its factorization.

420234553240259 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368000, while the sum is 50.

The spelling of 420234553240259 in words is "four hundred twenty trillion, two hundred thirty-four billion, five hundred fifty-three million, two hundred forty thousand, two hundred fifty-nine".