16454021459 has 2 divisors, whose sum is σ = 16454021460. Its totient is φ = 16454021458.

The previous prime is 16454021447. The next prime is 16454021483. The reversal of 16454021459 is 95412045461.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16454021459 - 2³² = 12159054163 is a prime.

It is not a weakly prime, because it can be changed into another prime (16454021429) 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, 8227010729 + 8227010730.

It is an arithmetic number, because the mean of its divisors is an integer number (8227010730).

Almost surely, 2^16454021459 is an apocalyptic number.

16454021459 is a deficient number, since it is larger than the sum of its proper divisors (1).

16454021459 is an equidigital number, since it uses as much as digits as its factorization.

16454021459 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 172800, while the sum is 41.

The spelling of 16454021459 in words is "sixteen billion, four hundred fifty-four million, twenty-one thousand, four hundred fifty-nine".