20344135461259 has 2 divisors, whose sum is σ = 20344135461260. Its totient is φ = 20344135461258.

The previous prime is 20344135461197. The next prime is 20344135461269. The reversal of 20344135461259 is 95216453144302.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20344135461259 - 2²⁵ = 20344101906827 is a prime.

It is not a weakly prime, because it can be changed into another prime (20344135461269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10172067730629 + 10172067730630.

It is an arithmetic number, because the mean of its divisors is an integer number (10172067730630).

Almost surely, 2^{20344135461259} is an apocalyptic number.

20344135461259 is a deficient number, since it is larger than the sum of its proper divisors (1).

20344135461259 is an equidigital number, since it uses as much as digits as its factorization.

20344135461259 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3110400, while the sum is 49.

The spelling of 20344135461259 in words is "twenty trillion, three hundred forty-four billion, one hundred thirty-five million, four hundred sixty-one thousand, two hundred fifty-nine".