16404241333 has 2 divisors, whose sum is σ = 16404241334. Its totient is φ = 16404241332.

The previous prime is 16404241313. The next prime is 16404241339. The reversal of 16404241333 is 33314240461.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11220529329 + 5183712004 = 105927^2 + 71998^2 .

It is a cyclic number.

It is not a de Polignac number, because 16404241333 - 2²⁵ = 16370686901 is a prime.

It is a super-2 number, since 2×16404241333² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16404241295 and 16404241304.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16404241339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8202120666 + 8202120667.

It is an arithmetic number, because the mean of its divisors is an integer number (8202120667).

Almost surely, 2^16404241333 is an apocalyptic number.

It is an amenable number.

16404241333 is a deficient number, since it is larger than the sum of its proper divisors (1).

16404241333 is an equidigital number, since it uses as much as digits as its factorization.

16404241333 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 16404241333 its reverse (33314240461), we get a palindrome (49718481794).

The spelling of 16404241333 in words is "sixteen billion, four hundred four million, two hundred forty-one thousand, three hundred thirty-three".