16987441259 has 2 divisors, whose sum is σ = 16987441260. Its totient is φ = 16987441258.

The previous prime is 16987441249. The next prime is 16987441279. The reversal of 16987441259 is 95214478961.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16987441259 - 2¹² = 16987437163 is a prime.

It is not a weakly prime, because it can be changed into another prime (16987441249) 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, 8493720629 + 8493720630.

It is an arithmetic number, because the mean of its divisors is an integer number (8493720630).

Almost surely, 2^16987441259 is an apocalyptic number.

16987441259 is a deficient number, since it is larger than the sum of its proper divisors (1).

16987441259 is an equidigital number, since it uses as much as digits as its factorization.

16987441259 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4354560, while the sum is 56.

The spelling of 16987441259 in words is "sixteen billion, nine hundred eighty-seven million, four hundred forty-one thousand, two hundred fifty-nine".