16903283989 has 2 divisors, whose sum is σ = 16903283990. Its totient is φ = 16903283988.

The previous prime is 16903283987. The next prime is 16903284017. The reversal of 16903283989 is 98938230961.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16275380625 + 627903364 = 127575^2 + 25058^2 .

It is a cyclic number.

It is not a de Polignac number, because 16903283989 - 2¹ = 16903283987 is a prime.

It is a super-2 number, since 2×16903283989² (a number of 21 digits) contains 22 as substring.

Together with 16903283987, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16903283987) 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, 8451641994 + 8451641995.

It is an arithmetic number, because the mean of its divisors is an integer number (8451641995).

Almost surely, 2^16903283989 is an apocalyptic number.

It is an amenable number.

16903283989 is a deficient number, since it is larger than the sum of its proper divisors (1).

16903283989 is an equidigital number, since it uses as much as digits as its factorization.

16903283989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5038848, while the sum is 58.

The spelling of 16903283989 in words is "sixteen billion, nine hundred three million, two hundred eighty-three thousand, nine hundred eighty-nine".