8499025459 has 2 divisors, whose sum is σ = 8499025460. Its totient is φ = 8499025458.

The previous prime is 8499025439. The next prime is 8499025471. The reversal of 8499025459 is 9545209948.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8499025459 - 2⁵ = 8499025427 is a prime.

It is not a weakly prime, because it can be changed into another prime (8499025439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4249512729 + 4249512730.

It is an arithmetic number, because the mean of its divisors is an integer number (4249512730).

Almost surely, 2^8499025459 is an apocalyptic number.

8499025459 is a deficient number, since it is larger than the sum of its proper divisors (1).

8499025459 is an equidigital number, since it uses as much as digits as its factorization.

8499025459 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4665600, while the sum is 55.

The square root of 8499025459 is about 92190.1592307986. The cubic root of 8499025459 is about 2040.7495530710.

The spelling of 8499025459 in words is "eight billion, four hundred ninety-nine million, twenty-five thousand, four hundred fifty-nine".