28623339459229 has 2 divisors, whose sum is σ = 28623339459230. Its totient is φ = 28623339459228.

The previous prime is 28623339459167. The next prime is 28623339459313. The reversal of 28623339459229 is 92295493332682.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18267802587225 + 10355536872004 = 4274085^2 + 3218002^2 .

It is a cyclic number.

It is not a de Polignac number, because 28623339459229 - 2¹⁹ = 28623338934941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28623339459929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14311669729614 + 14311669729615.

It is an arithmetic number, because the mean of its divisors is an integer number (14311669729615).

Almost surely, 2^{28623339459229} is an apocalyptic number.

It is an amenable number.

28623339459229 is a deficient number, since it is larger than the sum of its proper divisors (1).

28623339459229 is an equidigital number, since it uses as much as digits as its factorization.

28623339459229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 302330880, while the sum is 67.

The spelling of 28623339459229 in words is "twenty-eight trillion, six hundred twenty-three billion, three hundred thirty-nine million, four hundred fifty-nine thousand, two hundred twenty-nine".