28813839953 has 2 divisors, whose sum is σ = 28813839954. Its totient is φ = 28813839952.

The previous prime is 28813839941. The next prime is 28813839961. The reversal of 28813839953 is 35993831882.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15700841809 + 13112998144 = 125303^2 + 114512^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28813839953 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28813839892 and 28813839901.

It is not a weakly prime, because it can be changed into another prime (28813839553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14406919976 + 14406919977.

It is an arithmetic number, because the mean of its divisors is an integer number (14406919977).

Almost surely, 2^28813839953 is an apocalyptic number.

It is an amenable number.

28813839953 is a deficient number, since it is larger than the sum of its proper divisors (1).

28813839953 is an equidigital number, since it uses as much as digits as its factorization.

28813839953 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11197440, while the sum is 59.

The spelling of 28813839953 in words is "twenty-eight billion, eight hundred thirteen million, eight hundred thirty-nine thousand, nine hundred fifty-three".