16404241313 has 2 divisors, whose sum is σ = 16404241314. Its totient is φ = 16404241312.

The previous prime is 16404241291. The next prime is 16404241333. The reversal of 16404241313 is 31314240461.

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., 10653749089 + 5750492224 = 103217^2 + 75832^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16404241313 is a prime.

It is not a weakly prime, because it can be changed into another prime (16404241333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8202120656 + 8202120657.

It is an arithmetic number, because the mean of its divisors is an integer number (8202120657).

Almost surely, 2^16404241313 is an apocalyptic number.

It is an amenable number.

16404241313 is a deficient number, since it is larger than the sum of its proper divisors (1).

16404241313 is an equidigital number, since it uses as much as digits as its factorization.

16404241313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 16404241313 its reverse (31314240461), we get a palindrome (47718481774).

The spelling of 16404241313 in words is "sixteen billion, four hundred four million, two hundred forty-one thousand, three hundred thirteen".