20441213459 has 2 divisors, whose sum is σ = 20441213460. Its totient is φ = 20441213458.

The previous prime is 20441213437. The next prime is 20441213467. The reversal of 20441213459 is 95431214402.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20441213459 is a prime.

It is a super-3 number, since 3×20441213459³ (a number of 32 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (20441210459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10220606729 + 10220606730.

It is an arithmetic number, because the mean of its divisors is an integer number (10220606730).

Almost surely, 2^20441213459 is an apocalyptic number.

20441213459 is a deficient number, since it is larger than the sum of its proper divisors (1).

20441213459 is an equidigital number, since it uses as much as digits as its factorization.

20441213459 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34560, while the sum is 35.

The spelling of 20441213459 in words is "twenty billion, four hundred forty-one million, two hundred thirteen thousand, four hundred fifty-nine".