16313593217 has 2 divisors, whose sum is σ = 16313593218. Its totient is φ = 16313593216.

The previous prime is 16313593201. The next prime is 16313593243. The reversal of 16313593217 is 71239531361.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12736476736 + 3577116481 = 112856^2 + 59809^2 .

It is a cyclic number.

It is not a de Polignac number, because 16313593217 - 2⁴ = 16313593201 is a prime.

It is a super-2 number, since 2×16313593217² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (16313593267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8156796608 + 8156796609.

It is an arithmetic number, because the mean of its divisors is an integer number (8156796609).

Almost surely, 2^16313593217 is an apocalyptic number.

It is an amenable number.

16313593217 is a deficient number, since it is larger than the sum of its proper divisors (1).

16313593217 is an equidigital number, since it uses as much as digits as its factorization.

16313593217 is an evil number, because the sum of its binary digits is even.

The product of its digits is 102060, while the sum is 41.

The spelling of 16313593217 in words is "sixteen billion, three hundred thirteen million, five hundred ninety-three thousand, two hundred seventeen".