28367253139 has 2 divisors, whose sum is σ = 28367253140. Its totient is φ = 28367253138.

The previous prime is 28367253071. The next prime is 28367253191. The reversal of 28367253139 is 93135276382.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28367253139 - 2²⁹ = 27830382227 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28367253092 and 28367253101.

It is not a weakly prime, because it can be changed into another prime (28367553139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14183626569 + 14183626570.

It is an arithmetic number, because the mean of its divisors is an integer number (14183626570).

Almost surely, 2^28367253139 is an apocalyptic number.

28367253139 is a deficient number, since it is larger than the sum of its proper divisors (1).

28367253139 is an equidigital number, since it uses as much as digits as its factorization.

28367253139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1632960, while the sum is 49.

The spelling of 28367253139 in words is "twenty-eight billion, three hundred sixty-seven million, two hundred fifty-three thousand, one hundred thirty-nine".