16470281897 has 2 divisors, whose sum is σ = 16470281898. Its totient is φ = 16470281896.

The previous prime is 16470281857. The next prime is 16470281909. The reversal of 16470281897 is 79818207461.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15072718441 + 1397563456 = 122771^2 + 37384^2 .

It is a cyclic number.

It is not a de Polignac number, because 16470281897 - 2²⁴ = 16453504681 is a prime.

It is not a weakly prime, because it can be changed into another prime (16470281857) 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, 8235140948 + 8235140949.

It is an arithmetic number, because the mean of its divisors is an integer number (8235140949).

Almost surely, 2^16470281897 is an apocalyptic number.

It is an amenable number.

16470281897 is a deficient number, since it is larger than the sum of its proper divisors (1).

16470281897 is an equidigital number, since it uses as much as digits as its factorization.

16470281897 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1354752, while the sum is 53.

The spelling of 16470281897 in words is "sixteen billion, four hundred seventy million, two hundred eighty-one thousand, eight hundred ninety-seven".