28459343959 has 2 divisors, whose sum is σ = 28459343960. Its totient is φ = 28459343958.

The previous prime is 28459343953. The next prime is 28459343977. The reversal of 28459343959 is 95934395482.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28459343959 - 2⁷ = 28459343831 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28459343897 and 28459343906.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28459343953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14229671979 + 14229671980.

It is an arithmetic number, because the mean of its divisors is an integer number (14229671980).

Almost surely, 2^28459343959 is an apocalyptic number.

28459343959 is a deficient number, since it is larger than the sum of its proper divisors (1).

28459343959 is an equidigital number, since it uses as much as digits as its factorization.

28459343959 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 41990400, while the sum is 61.

The spelling of 28459343959 in words is "twenty-eight billion, four hundred fifty-nine million, three hundred forty-three thousand, nine hundred fifty-nine".