16434888473 has 2 divisors, whose sum is σ = 16434888474. Its totient is φ = 16434888472.

The previous prime is 16434888469. The next prime is 16434888511. The reversal of 16434888473 is 37488843461.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15752007049 + 682881424 = 125507^2 + 26132^2 .

It is a cyclic number.

It is not a de Polignac number, because 16434888473 - 2² = 16434888469 is a prime.

It is not a weakly prime, because it can be changed into another prime (16434888403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8217444236 + 8217444237.

It is an arithmetic number, because the mean of its divisors is an integer number (8217444237).

Almost surely, 2^16434888473 is an apocalyptic number.

It is an amenable number.

16434888473 is a deficient number, since it is larger than the sum of its proper divisors (1).

16434888473 is an equidigital number, since it uses as much as digits as its factorization.

16434888473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12386304, while the sum is 56.

The spelling of 16434888473 in words is "sixteen billion, four hundred thirty-four million, eight hundred eighty-eight thousand, four hundred seventy-three".