20264244466859 has 2 divisors, whose sum is σ = 20264244466860. Its totient is φ = 20264244466858.

The previous prime is 20264244466831. The next prime is 20264244466891. The reversal of 20264244466859 is 95866444246202.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20264244466859 is a prime.

It is a super-3 number, since 3×20264244466859³ (a number of 41 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (20264244766859) 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, 10132122233429 + 10132122233430.

It is an arithmetic number, because the mean of its divisors is an integer number (10132122233430).

Almost surely, 2^{20264244466859} is an apocalyptic number.

20264244466859 is a deficient number, since it is larger than the sum of its proper divisors (1).

20264244466859 is an equidigital number, since it uses as much as digits as its factorization.

20264244466859 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 159252480, while the sum is 62.

The spelling of 20264244466859 in words is "twenty trillion, two hundred sixty-four billion, two hundred forty-four million, four hundred sixty-six thousand, eight hundred fifty-nine".