16433314727441 has 2 divisors, whose sum is σ = 16433314727442. Its totient is φ = 16433314727440.

The previous prime is 16433314727437. The next prime is 16433314727477. The reversal of 16433314727441 is 14472741333461.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16157063572225 + 276251155216 = 4019585^2 + 525596^2 .

It is an emirp because it is prime and its reverse (14472741333461) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16433314727441 - 2² = 16433314727437 is a prime.

It is a super-2 number, since 2×16433314727441² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 16433314727441.

It is not a weakly prime, because it can be changed into another prime (16433314727741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8216657363720 + 8216657363721.

It is an arithmetic number, because the mean of its divisors is an integer number (8216657363721).

Almost surely, 2^{16433314727441} is an apocalyptic number.

It is an amenable number.

16433314727441 is a deficient number, since it is larger than the sum of its proper divisors (1).

16433314727441 is an equidigital number, since it uses as much as digits as its factorization.

16433314727441 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4064256, while the sum is 50.

The spelling of 16433314727441 in words is "sixteen trillion, four hundred thirty-three billion, three hundred fourteen million, seven hundred twenty-seven thousand, four hundred forty-one".