28553535499 has 2 divisors, whose sum is σ = 28553535500. Its totient is φ = 28553535498.

The previous prime is 28553535467. The next prime is 28553535553. The reversal of 28553535499 is 99453535582.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28553535499 - 2⁵ = 28553535467 is a prime.

It is not a weakly prime, because it can be changed into another prime (28553535599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14276767749 + 14276767750.

It is an arithmetic number, because the mean of its divisors is an integer number (14276767750).

Almost surely, 2^28553535499 is an apocalyptic number.

28553535499 is a deficient number, since it is larger than the sum of its proper divisors (1).

28553535499 is an equidigital number, since it uses as much as digits as its factorization.

28553535499 is an evil number, because the sum of its binary digits is even.

The product of its digits is 29160000, while the sum is 58.

The spelling of 28553535499 in words is "twenty-eight billion, five hundred fifty-three million, five hundred thirty-five thousand, four hundred ninety-nine".