28451842547 has 2 divisors, whose sum is σ = 28451842548. Its totient is φ = 28451842546.

The previous prime is 28451842519. The next prime is 28451842553. The reversal of 28451842547 is 74524815482.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28451842547 - 2⁶ = 28451842483 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28451842495 and 28451842504.

It is not a weakly prime, because it can be changed into another prime (28451845547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14225921273 + 14225921274.

It is an arithmetic number, because the mean of its divisors is an integer number (14225921274).

Almost surely, 2^28451842547 is an apocalyptic number.

28451842547 is a deficient number, since it is larger than the sum of its proper divisors (1).

28451842547 is an equidigital number, since it uses as much as digits as its factorization.

28451842547 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2867200, while the sum is 50.

The spelling of 28451842547 in words is "twenty-eight billion, four hundred fifty-one million, eight hundred forty-two thousand, five hundred forty-seven".